CVE-2024-53920 Affecting emacs package, versions <1:28.2+1-15+deb12u4


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.09% (27th percentile)

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  • Snyk IDSNYK-DEBIAN12-EMACS-8441927
  • published28 Nov 2024
  • disclosed27 Nov 2024

Introduced: 27 Nov 2024

CVE-2024-53920  (opens in a new tab)

How to fix?

Upgrade Debian:12 emacs to version 1:28.2+1-15+deb12u4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream emacs package and not the emacs package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

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 Base Scores

version 3.1