CVE-2023-45234
Buffer Overflow in EDK II Network Package
02 Description
Buffer Overflow in EDK II Network Package
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 1.18% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 67.3% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2024-01-16 16:14Z2 YR AGO
- Last updated
- 2025-11-04 18:17Z11 MO AGO
- Reserved
- 2023-10-05
- Assigning CNA
- TianoCore
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.3)
- CNA CVSS vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
- Weaknesses
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
- Data version
- 5.2
- Document digest
- bb0cb2296cad15476f23e8932636a13101bb5c04b8726fd3e9d635eae1069d75
05 Affected products
06 References
- github.comhttps://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2024/01/16/2
- packetstormsecurity.comhttp://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20240307-0011/
- lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
- lists.debian.orghttps://lists.debian.org/debian-lts-announce/2025/06/msg00007.html
- www.kb.cert.orghttps://www.kb.cert.org/vuls/id/132380
07 Fixed in
AlmaLinux 8
- edk2-aarch64 Fixed in 20220126gitbb1bba3d77-6.el8_9.6.alma
- edk2-ovmf Fixed in 20220126gitbb1bba3d77-6.el8_9.6.alma
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
AlmaLinux 9
- edk2-aarch64 Fixed in 20230524-4.el9_3.2.alma
- edk2-ovmf Fixed in 20230524-4.el9_3.2.alma
- edk2-tools Fixed in 20230524-4.el9_3.2.alma
- edk2-tools-doc Fixed in 20230524-4.el9_3.2.alma
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- edk2-aarch64 Fixed in 20220126gitbb1bba3d77-6.el8_9.6.alma
- edk2-ovmf Fixed in 20220126gitbb1bba3d77-6.el8_9.6.alma
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 9
- edk2-aarch64 Fixed in 20230524-4.el9_3.2.alma
- edk2-ovmf Fixed in 20230524-4.el9_3.2.alma
- edk2-tools Fixed in 20230524-4.el9_3.2.alma
- edk2-tools-doc Fixed in 20230524-4.el9_3.2.alma
Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- edk2 Fixed in 2022.11-6+deb12u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- edk2 Fixed in 2023.11-6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- edk2 Fixed in 2023.11-6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- edk2 Fixed in 0~20191122.bd85bf54-2ubuntu3.5
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- edk2 Fixed in 2022.02-3ubuntu0.22.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- edk2 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- edk2 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.