CVE-2024-53920

HIGH

GNU Emacs < 30.1 - Remote Code Execution via Unsafe Lisp Macro Expansion

Title source: llm
STIX 2.1

Description

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.)

References (7)

Core 7

Scores

CVSS v3 7.8
EPSS 0.0005
EPSS Percentile 16.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact total

Details

CWE
CWE-94
Status published
Products (1)
gnu/emacs < 30.1
Published Nov 27, 2024
Tracked Since Feb 18, 2026