| Name | CVE-2026-79992 |
| Description | A flaw was found in Emacs TRAMP. A local attacker could exploit this vulnerability by processing maliciously crafted filenames. This occurs because TRAMP concatenates login arguments without proper sanitization, which are then passed to a local shell. Successful exploitation could lead to arbitrary code execution. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1145049 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| emacs (PTS) | bookworm, bookworm (security) | 1:28.2+1-15+deb12u4 | vulnerable |
| trixie (security), trixie | 1:30.1+1-6+deb13u1 | vulnerable | |
| forky, sid | 1:30.2+1-11 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| emacs | source | (unstable) | (unfixed) | 1145049 |
https://www.openwall.com/lists/oss-security/2026/08/21/1
Fixed by: https://cgit.git.savannah.gnu.org/cgit/emacs.git/commit/?id=f3e7104d05bdb8e32ba13bf75604108ad88536dc
When fixing this issue make sure to make the fix complete to not open up CVE-2026-108976
https://www.openwall.com/lists/oss-security/2026/10/11/1
Fixed by: https://cgit.git.savannah.gnu.org/cgit/emacs.git/commit/?id=044b0203267db3b7912325d076d79a79000afe75