SB2025063041 - Red Hat Enterprise Linux 9 update for emacs



SB2025063041 - Red Hat Enterprise Linux 9 update for emacs

Published: June 30, 2025

Security Bulletin ID SB2025063041
Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Exposed dangerous method or function (CVE-ID: CVE-2024-53920)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper input validation in elisp-mode.el. A remote attacker can trick the victim into invoking elisp-completion-at-point (for code completion) on untrusted Emacs Lisp source code, trigger unsafe Lisp macro expansion and execute arbitrary code on the system.


Remediation

Install update from vendor's website.