CVE-2026-96269

NameCVE-2026-96269
DescriptionGNU Emacs 28.1 through 31.1 allows arbitrary code execution upon opening a file, because an untrusted value of read-symbol-shorthands affects the intern and unintern functions. This affects the default configuration; no particular user settings are required to trigger it.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-6468-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
emacs (PTS)bookworm, bookworm (security)1:28.2+1-15+deb12u4vulnerable
trixie (security), trixie1:30.1+1-6+deb13u1fixed
forky, sid1:30.2+1-11fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
emacssourcetrixie1:30.1+1-6+deb13u1DSA-6468-1
emacssource(unstable)1:30.2+1-11

Notes

https://www.openwall.com/lists/oss-security/2026/08/20/3
https://eshelyaron.com/posts/2026-08-06-emacs-arbitrary-code-execution-returns.html
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=80574#227
Mitigated by: https://cgit.git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-31&id=8466eb44991707d128110bdc549fad14c8e1d61e
Fixed by: https://cgit.git.savannah.gnu.org/cgit/emacs.git/commit/?id=c1337758a6c00e22e2a685e0556068fd73fa9a54

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