1. Ubuntu Security Notices
  2. USN-5955-1

USN-5955-1: Emacs vulnerability

Publication date

15 March 2023

Overview

Emacs could be made to crash or run programs as your login if it opened a specially crafted file.

Releases

Packages

Details

It was discovered that Emacs did not properly manage certain files when
using htmlfontify functionality. A local attacker could possibly use this
issue to cause a denial of service, or possibly execute arbitrary commands.

It was discovered that Emacs did not properly manage certain files when
using htmlfontify functionality. A local attacker could possibly use this
issue to cause a denial of service, or possibly execute arbitrary commands.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
16.04 xenial emacs24 –  24.5+1-6ubuntu1.1+esm2  

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References

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