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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-0820

27
FAUCET Score

CVE-2019-0820 is a denial of service vulnerability affecting .NET Framework and .NET Core, specifically when they improperly process regular expression (RegEx) strings. This flaw carries a CVSS v3.1 score of 7.5 (High), indicating it can be exploited remotely with low attack complexity, leading to a complete denial of service without impacting confidentiality or integrity. While no public exploit code or active exploitation has been observed, the vulnerability has garnered some community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:microsoft:.net_core:1.0:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:microsoft:.net_core:1.1:*:*:*:*:*:*:*
2.1CPE matchmatch criteria
cpe:2.3:a:microsoft:.net_core:2.1:*:*:*:*:*:*:*
2.2CPE matchmatch criteria
cpe:2.3:a:microsoft:.net_core:2.2:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
5.72%
Probability of exploitation in next 30 days
EPSS Percentile
92.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0572 is in the 87th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (220)

microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems
View patch
microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 2472-11645
View patch
microsoftpatch availablevia msrc
Product: 2472-11644
View patch
microsoftpatch availablevia msrc
Product: 2472-11647
View patch
microsoftpatch availablevia msrc
Product: 11513-11497
View patch
microsoftpatch availablevia msrc
Product: 11513-11498
View patch
microsoftpatch availablevia msrc
Product: 11513-11499
View patch
microsoftpatch availablevia msrc
Product: 11513-11563
View patch
microsoftpatch availablevia msrc
Product: 11513-11571
View patch
microsoftpatch availablevia msrc
Product: 11513-11572
View patch
microsoftpatch availablevia msrc
Product: 11529-10047
View patch
microsoftpatch availablevia msrc
Product: 11529-10048
View patch
microsoftpatch availablevia msrc
Product: 11529-10481
View patch
microsoftpatch availablevia msrc
Product: 11529-10482
View patch
microsoftpatch availablevia msrc
Product: 11529-10484
View patch
microsoftpatch availablevia msrc
Product: 11529-10051
View patch
microsoftpatch availablevia msrc
Product: 11529-10049
View patch
microsoftpatch availablevia msrc
Product: 11529-10378
View patch
microsoftpatch availablevia msrc
Product: 11529-10379
View patch
microsoftpatch availablevia msrc
Product: 11529-10483
View patch
microsoftpatch availablevia msrc
Product: 11529-10543
View patch
microsoftpatch availablevia msrc
Product: 11532-10816
View patch
microsoftpatch availablevia msrc
Product: 11532-10855
View patch
microsoftpatch availablevia msrc
Product: 10728-9312
View patch
microsoftpatch availablevia msrc
Product: 10728-9318
View patch
microsoftpatch availablevia msrc
Product: 9292-9312
View patch
microsoftpatch availablevia msrc
Product: 9292-9311
View patch
microsoftpatch availablevia msrc
Product: 9292-9318
View patch
microsoftpatch availablevia msrc
Product: 9195-9312
View patch
microsoftpatch availablevia msrc
Product: 9195-9311
View patch
microsoftpatch availablevia msrc
Product: 9195-9318
View patch
microsoftpatch availablevia msrc
Product: 2472-10951
View patch
microsoftpatch availablevia msrc
Product: 2472-10952
View patch
microsoftpatch availablevia msrc
Product: 2472-11497
View patch
microsoftpatch availablevia msrc
Product: 2472-11498
View patch
microsoftpatch availablevia msrc
Product: 2472-11499
View patch
microsoftpatch availablevia msrc
Product: 2472-11563
View patch
microsoftpatch availablevia msrc
Product: 2472-11568
View patch
microsoftpatch availablevia msrc
Product: 2472-11569
View patch
microsoftpatch availablevia msrc
Product: 2472-11571
View patch
microsoftpatch availablevia msrc
Product: 2472-11572
View patch
microsoftpatch availablevia msrc
Product: 2472-11453
View patch
microsoftpatch availablevia msrc
Product: 2472-11454
View patch
microsoftpatch availablevia msrc
Product: 2472-11583
View patch
microsoftpatch availablevia msrc
Product: 2472-10729
View patch
microsoftpatch availablevia msrc
Product: 2472-10735
View patch
microsoftpatch availablevia msrc
Product: 2472-10852
View patch
microsoftpatch availablevia msrc
Product: 2472-10853
View patch
microsoftpatch availablevia msrc
Product: 2472-10816
View patch
microsoftpatch availablevia msrc
Product: 2472-10855
View patch
microsoftpatch availablevia msrc
Product: 2472-10481
View patch
microsoftpatch availablevia msrc
Product: 2472-10482
View patch
microsoftpatch availablevia msrc
Product: 2472-10378
View patch
microsoftpatch availablevia msrc
Product: 2472-10379
View patch
microsoftpatch availablevia msrc
Product: 2472-10483
View patch
microsoftpatch availablevia msrc
Product: 2472-10543
View patch
microsoftpatch availablevia msrc
Product: 9495-10047
View patch
microsoftpatch availablevia msrc
Product: 9495-10048
View patch
microsoftpatch availablevia msrc
Product: 9495-10050
View patch
microsoftpatch availablevia msrc
Product: 9495-10051
View patch
microsoftpatch availablevia msrc
Product: 9495-10049
View patch
microsoftpatch availablevia msrc
Product: 10636-10047
View patch
microsoftpatch availablevia msrc
Product: 10636-10048
View patch
microsoftpatch availablevia msrc
Product: 10636-10481
View patch
microsoftpatch availablevia msrc
Product: 10636-10482
View patch
microsoftpatch availablevia msrc
Product: 10636-10484
View patch
microsoftpatch availablevia msrc
Product: 10636-9312
View patch
microsoftpatch availablevia msrc
Product: 10636-9318
View patch
microsoftpatch availablevia msrc
Product: 10636-10051
View patch
microsoftpatch availablevia msrc
Product: 10636-10049
View patch
microsoftpatch availablevia msrc
Product: 10636-10378
View patch
microsoftpatch availablevia msrc
Product: 10636-10379
View patch
microsoftpatch availablevia msrc
Product: 10636-10483
View patch
microsoftpatch availablevia msrc
Product: 10636-10543
View patch
microsoftpatch availablevia msrc
Product: 11650-11645
View patch
microsoftpatch availablevia msrc
Product: 11650-10051
View patch
microsoftpatch availablevia msrc
Product: 11650-10049
View patch
microsoftpatch availablevia msrc
Product: 11650-11454
View patch
microsoftpatch availablevia msrc
Product: 11650-11498
View patch
microsoftpatch availablevia msrc
Product: 11650-11453
View patch
microsoftpatch availablevia msrc
Product: 11650-10543
View patch
microsoftpatch availablevia msrc
Product: 11650-11568
View patch
microsoftpatch availablevia msrc
Product: 11650-11571
View patch
microsoftpatch availablevia msrc
Product: 11650-11644
View patch
microsoftpatch availablevia msrc
Product: 11650-10951
View patch
microsoftpatch availablevia msrc
Product: 11650-10853
View patch
microsoftpatch availablevia msrc
Product: 11650-10047
View patch
microsoftpatch availablevia msrc
Product: 11650-10816
View patch
microsoftpatch availablevia msrc
Product: 11650-10855
View patch
microsoftpatch availablevia msrc
Product: 11650-11569
View patch
microsoftpatch availablevia msrc
Product: 11650-10482
View patch
microsoftpatch availablevia msrc
Product: 11650-10484
View patch
microsoftpatch availablevia msrc
Product: 11650-11647
View patch
microsoftpatch availablevia msrc
Product: 11650-10378
View patch
microsoftpatch availablevia msrc
Product: 11650-11499
View patch
microsoftpatch availablevia msrc
Product: 11650-10048
View patch
microsoftpatch availablevia msrc
Product: 11650-10481
View patch
microsoftpatch availablevia msrc
Product: 11650-10483
View patch
microsoftpatch availablevia msrc
Product: 11650-10852
View patch
microsoftpatch availablevia msrc
Product: 11650-11572
View patch
microsoftpatch availablevia msrc
Product: 11650-10379
View patch
microsoftpatch availablevia msrc
Product: 11650-11497
View patch
microsoftpatch availablevia msrc
Product: 11650-10952
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2012
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2019 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: PowerShell Core 6.1
View patch
microsoftpatch availablevia msrc
Product: .NET Core 2.2
View patch
microsoftpatch availablevia msrc
Product: .NET Core 1.0
View patch
microsoftpatch availablevia msrc
Product: .NET Core 2.1
View patch
microsoftpatch availablevia msrc
Product: .NET Core 1.1
View patch
microsoftpatch availablevia msrc
Product: PowerShell Core 6.2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server, version 1903 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.7.2 on Windows 10 Version 1803 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.7.2 on Windows 10 Version 1803 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.7.2 on Windows Server, version 1803 (Server Core Installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.7.2 on Windows 10 Version 1803 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.7.2 on Windows Server 2019
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.7.2 on Windows Server 2019 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server, version 1803 (Server Core Installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1809 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1809 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2019
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2019 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for ARM64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2016
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2016 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2012
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows RT 8.1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows Server 2012
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1903 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1809 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2019
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1903 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2016
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 10 Version 1809 for x64-based Systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows RT 8.1
View patch
microsoftpatch availablevia msrc
Product: Microsoft .NET Framework 4.8 on Windows Server, version 1903 (Server Core installation)
View patch
nugetpatch availablevia ghsa
Product: System.Text.RegularExpressionsFixed in: 4.3.1
redhatpatch availablevia redhat_api
Product: .NET Core on Red Hat Enterprise LinuxFixed in: rh-dotnet21-dotnet-0:2.1.507-2.el7
View patch
redhatpatch availablevia redhat_api
Product: .NET Core on Red Hat Enterprise LinuxFixed in: rh-dotnet22-0:2.2-7.el7
View patch
redhatpatch availablevia redhat_api
Product: .NET Core on Red Hat Enterprise LinuxFixed in: rh-dotnet22-curl-0:7.61.1-2.el7
View patch
redhatpatch availablevia redhat_api
Product: .NET Core on Red Hat Enterprise LinuxFixed in: rh-dotnet21-0:2.1-10.el7
View patch
redhatpatch availablevia redhat_api
Product: .NET Core on Red Hat Enterprise LinuxFixed in: rh-dotnetcore10-dotnetcore-0:1.0.16-1.el7
View patch
redhatpatch availablevia redhat_api
Product: .NET Core on Red Hat Enterprise LinuxFixed in: rh-dotnetcore11-dotnetcore-0:1.1.13-1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: dotnet-0:2.1.507-2.el8_0
View patch
redhatpatch availablevia redhat_api
Product: .NET Core on Red Hat Enterprise LinuxFixed in: rh-dotnet22-dotnet-0:2.2.107-2.el7
View patch

Vendor Advisories (3)

nugetGHSA-cmhx-cq75-c4mjhigh

Regular Expression Denial of Service in System.Text.RegularExpressions

Aug 4, 2021
microsoft2019-May/CVE-2019-0820Important

.NET Framework and .NET Core Denial of Service Vulnerability

May 14, 2019
redhatCVE-2019-0820Moderate

dotnet: timeouts for regular expressions are not enforced

May 14, 2019

References

access.redhat.com / errata/RHSA-2019:1259
Third Party Advisory
portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2019-0820
PatchVendor Advisory