CVE-2024-53920
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.6%
exploitation probability
0.6%top 53% of all CVEs
observed exploitation
nono source reports it
In elisp-mode.el in GNU Emacs before 30.1, a user who chooses to invoke elisp-completion-at-point (for code completion) on untrusted Emacs Lisp source code can trigger unsafe Lisp macro expansion that allows attackers to execute arbitrary code. (This unsafe expansion also occurs if a user chooses to enable on-the-fly diagnosis that byte compiles untrusted Emacs Lisp source code.)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
n/a · n/aReferences
https://eshelyaron.com/posts/2024-11-27-emacs-aritrary-code-execution-and-how-to-avoid-it.htmlhttps://git.savannah.gnu.org/cgit/emacs.git/tag/?h=emacs-30.0.92https://git.savannah.gnu.org/cgit/emacs.git/tree/ChangeLog.4https://git.savannah.gnu.org/cgit/emacs.git/tree/etc/NEWS?h=emacs-30.1https://lists.debian.org/debian-lts-announce/2025/02/msg00033.htmlhttps://news.ycombinator.com/item?id=42256409https://yhetil.org/emacs/CAFXAjY5f4YfHAtZur1RAqH34UbYU56_t6t2Er0YEh1Sb7-W=hg@mail.gmail.com/http://www.openwall.com/lists/oss-security/2026/08/20/3http://www.openwall.com/lists/oss-security/2026/08/20/7http://www.openwall.com/lists/oss-security/2026/09/14/1http://www.openwall.com/lists/oss-security/2026/09/21/9