Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-45232

23
FAUCET Score

CVE-2023-45232 is an infinite loop vulnerability in EDK2's Network Package, specifically affecting tianocore edk2 products when parsing unknown IPv6 Destination Options. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-exploitable, low-complexity attack that can lead to a complete loss of availability. While not currently listed on the KEV catalog or Hot List, and lacking public exploit code, it has garnered significant community discussion and media coverage, suggesting potential future interest from attackers.

Impacted Technologies

VendorProductVersion(s)CPE
<= 202311CPE matchmatch criteria
cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:*

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
2.10%
Probability of exploitation in next 30 days
EPSS Percentile
79.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0210 is in the 64th percentile among its peer group of 51,506 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 (23)

ciscopatch availablevia llm_extracted
View patch
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 20240223gitedc6681206c1-1
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 1.0.1-3
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 20230301gitf80f052277c8-40
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 1.0.1-3
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 20240223gitedc6681206c1-1
microsoftpatch availablevia msrc
Product: 17859-17084Fixed in: 20240223gitedc6681206c1-1
microsoftpatch availablevia msrc
Product: 18131-17084Fixed in: 20240223gitedc6681206c1-1
microsoftpatch availablevia msrc
Product: 19674-17086Fixed in: 20230301gitf80f052277c8-40
microsoftpatch availablevia msrc
Product: 18132-16823Fixed in: 20230301gitf80f052277c8-40
microsoftpatch availablevia msrc
Product: 17374-16823Fixed in: 1.0.1-9
microsoftpatch availablevia msrc
Product: 19678-17086Fixed in: 1.0.1-3
microsoftpatch availablevia msrc
Product: azl3 edk2 20230301gitf80f052277c8-37 on Azure Linux 3.0Fixed in: 20240223gitedc6681206c1-1
microsoftpatch availablevia msrc
Product: azl3 edk2 20240223gitedc6681206c1-1 on Azure Linux 3.0Fixed in: 20240223gitedc6681206c1-1
microsoftpatch availablevia msrc
Product: cbl2 edk2 20230301gitf80f052277c8-41 on CBL Mariner 2.0Fixed in: 20230301gitf80f052277c8-40
microsoftpatch availablevia msrc
Product: cbl2 edk2 20230301gitf80f052277c8-40 on CBL Mariner 2.0Fixed in: 20230301gitf80f052277c8-40
microsoftpatch availablevia msrc
Product: cbl2 hvloader 1.0.1-9 on CBL Mariner 2.0Fixed in: 1.0.1-9
microsoftpatch availablevia msrc
Product: cbl2 hvloader 1.0.1-11 on CBL Mariner 2.0Fixed in: 1.0.1-3
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 20230301gitf80f052277c8-40
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: edk2-0:20220126gitbb1bba3d77-4.el8_8.6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: edk2-0:20231122-6.el9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: edk2-0:20220126gitbb1bba3d77-13.el8_10
View patch
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (4)

ciscollm-cisco-623d3b214f153faeHIGH

HP PC BIOS Security Update for EDK2 NetworkPkg

Oct 24, 2024
microsoft2024-Sep/CVE-2023-45232

CVE-2023-45232

Sep 10, 2024
redhatCVE-2023-45232Moderate

edk2: Infinite loop when parsing unknown options in the Destination Options header

Jan 16, 2024
microsoft2024-Jan/CVE-2023-45232Important

Infinite loop in EDK II Network Package

Jan 9, 2024

References

lists.debian.org / debian-lts-announce/2025/06/msg00007.html
kb.cert.org / vuls/id/132380
packetstormsecurity.com / files/176574/PixieFail-Proof-Of-Concepts.html
Third Party AdvisoryVDB Entry
github.com / tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
Vendor Advisory
lists.fedoraproject.org / archives/list/[email protected]/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ
security.netapp.com / advisory/ntap-20240307-0011
openwall.com / lists/oss-security/2024/01/16/2
Mailing List