https://seclists.org/oss-sec/2026/q4/164: Incomplete fix for Emacs CVE-2026-79992
Published Oct 15, 2026
·Updated
Affected Software
1 affected component
GNU Emacs
Frequently Asked Questions
1
What component remains affected by the incomplete fix?
The issue is in TRAMP's handling of user names: tramp-user-regexp did not reject some additional problematic characters, leaving exploitation possible after the earlier fix.
2
Which release is expected to include the corrected fix?
The attached patch is intended for Emacs 31.2. The notice states that this release will not be available soon.
3
Is this tracked separately from the original CVE?
Yes. The incomplete fix is tracked as CVE-2026-108976, while the earlier issue is CVE-2026-79992.