CVE-2026-96269 | BDVDB-2026-378013 Detail
GNUEmacs
Description#
GNU 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.
Impact#
Per CVSS v4.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
- CWE-829 Inclusion of Functionality from Untrusted Control Sphere
References#
- https://yhetil.org/emacs/jwvtsph1aoj.fsf-monnier+emacs@gnu.org/T/#m319545e835fb71d764bf868166632d4633167a75
- https://debbugs.gnu.org/cgi/bugreport.cgi?bug=80574#227
- https://eshelyaron.com/posts/2026-08-06-emacs-arbitrary-code-execution-returns.html
- https://www.openwall.com/lists/oss-security/2026/08/20/3
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.