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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-0719

32
FAUCET Score

CVE-2026-0719 is a high-severity denial-of-service vulnerability affecting the libsoup HTTP library, used by GNOME and other applications. The flaw stems from an integer overflow during NTLM authentication when processing extremely long passwords, leading to incorrect memory allocation and subsequent application crashes. With a CVSS score of 8.6, this vulnerability is network-exploitable with low attack complexity and no user interaction required, potentially causing significant disruption. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
Red HatRed Hat Enterprise Linux 8
Range not provided by sourceCNA affecteddefault affected
Red HatRed Hat Enterprise Linux 9
Range not provided by sourceCNA affecteddefault affected
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support
Range not provided by sourceCNA affecteddefault affected
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Range not provided by sourceCNA affecteddefault affected
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Range not provided by sourceCNA affecteddefault affected

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.56%
Probability of exploitation in next 30 days
EPSS Percentile
43.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0056 is in the 20th percentile among its peer group of 51,551 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 (29)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: libsoup3-0:3.6.5-3.el10_1.9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 10.0 Extended Update SupportFixed in: libsoup3-0:3.6.5-3.el10_0.14
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 Extended Lifecycle SupportFixed in: libsoup-0:2.62.2-11.el7_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: spice-client-win-0:8.10-7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libsoup-0:2.62.3-13.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: libsoup-0:2.62.3-1.el8_2.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: spice-client-win-0:8.10-7.el8_2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: libsoup-0:2.62.3-2.el8_4.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: spice-client-win-0:8.10-7.el8_4.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnFixed in: libsoup-0:2.62.3-2.el8_4.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnFixed in: spice-client-win-0:8.10-7.el8_4.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportFixed in: libsoup-0:2.62.3-2.el8_6.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportFixed in: spice-client-win-0:8.10-7.el8_6.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: libsoup-0:2.62.3-2.el8_6.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: spice-client-win-0:8.10-7.el8_6.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: libsoup-0:2.62.3-2.el8_6.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: spice-client-win-0:8.10-7.el8_6.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceFixed in: libsoup-0:2.62.3-3.el8_8.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Telecommunications Update ServiceFixed in: spice-client-win-0:8.10-7.el8_8.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsFixed in: libsoup-0:2.62.3-3.el8_8.8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Update Services for SAP SolutionsFixed in: spice-client-win-0:8.10-7.el8_8.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: libsoup-0:2.72.0-12.el9_7.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: libsoup-0:2.72.0-8.el9_0.9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Update Services for SAP SolutionsFixed in: libsoup-0:2.72.0-8.el9_2.10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.4 Extended Update SupportFixed in: libsoup-0:2.72.0-8.el9_4.9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.6 Extended Update SupportFixed in: libsoup-0:2.72.0-10.el9_6.6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Dev Spaces (RHOSDS) 3.26Fixed in: devspaces/openvsx-rhel9:sha256:d37e4c1f6f9bcebfb5ef805284b343d98d6e742adb589ade746321eade5863b4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Dev Spaces (RHOSDS) 3.26Fixed in: devspaces/pluginregistry-rhel9:sha256:d8203704e7ee44c7937b1c81166c63c002a8a09de0e38b04a3cc1e60ad94adcf
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Dev Spaces (RHOSDS) 3.26Fixed in: devspaces/udi-rhel9:sha256:90f6995edd69f00118cad45ab7c6d4683a99c2de2b3202f017d108cd4aadccc1
View patch

Vendor Advisories (2)

microsoft2026-Jan/CVE-2026-0719Important

Libsoup: signed to unsigned conversion error leading to stack-based buffer overflow in libsoup ntlm authentication

Jan 13, 2026
redhatCVE-2026-0719Important

libsoup: Signed to Unsigned Conversion Error Leading to Stack-Based Buffer Overflow in libsoup NTLM Authentication

Jan 8, 2026

References

security.access.redhat.com / data/csaf/v2/vex/2026/cve-2026-0719.json
access.redhat.com / errata/RHSA-2026:1948
access.redhat.com / errata/RHSA-2026:2005
access.redhat.com / errata/RHSA-2026:2006
access.redhat.com / errata/RHSA-2026:2007
access.redhat.com / errata/RHSA-2026:2008
access.redhat.com / errata/RHSA-2026:2049
access.redhat.com / errata/RHSA-2026:2182
access.redhat.com / errata/RHSA-2026:2214
access.redhat.com / errata/RHSA-2026:2215
access.redhat.com / errata/RHSA-2026:2216
access.redhat.com / errata/RHSA-2026:2396
access.redhat.com / errata/RHSA-2026:2402
access.redhat.com / errata/RHSA-2026:2512
access.redhat.com / errata/RHSA-2026:2513
access.redhat.com / errata/RHSA-2026:2514
access.redhat.com / errata/RHSA-2026:2528
access.redhat.com / errata/RHSA-2026:2529
access.redhat.com / errata/RHSA-2026:2628
access.redhat.com / errata/RHSA-2026:2844
access.redhat.com / security/cve/CVE-2026-0719
bugzilla.redhat.com / show_bug.cgi
gitlab.gnome.org / GNOME/libsoup/-/issues/477