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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
GNU Emacs
Default version status: unknown
28.1 to ≤ 31.1affected
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 ↗