#1151853 edk2: CVE-2026-97631

Package:
src:edk2
Source:
src:edk2
Submitter:
Moritz Mühlenhoff
Date:
2026-10-24 07:07:02 UTC
Severity:
normal
Tags:
#1151853#5
Date:
2026-10-23 21:57:56 UTC
From:
To:
Hi,

The following vulnerability was published for edk2.

CVE-2026-97631[0]:
| EDK2 contains a vulnerability in BIOS where a user may cause “Out-
| of-bounds Write”, Classic Buffer Overflow, and “Incorrect
| Calculation of Buffer Size” by remote access. Successful
| exploitation of this vulnerability can lead to arbitrary code
| execution. It could also impact Confidentiality, Integrity, and
| Availability.

https://github.com/tianocore/edk2/security/advisories/GHSA-99cj-7hg9-mp4m
https://github.com/tianocore/edk2/pull/13302

Fixed by: https://github.com/tianocore/edk2/commit/14cdbb86a1a4f9bcce0d6cb78b04af58f226cf48
Fixed by: https://github.com/tianocore/edk2/commit/560ed9b5b146ed622d7eb7c40254a9099bd65b84
Fixed by: https://github.com/tianocore/edk2/commit/fa789071ff0b29f1e568bfe153ef7f3d76bd60e4


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-97631
https://www.cve.org/CVERecord?id=CVE-2026-97631

Please adjust the affected versions in the BTS as needed.