[USN-5955-1] Emacs vulnerability
Rodrigo Figueiredo Zaiden
rodrigo.zaiden at canonical.com
Wed Mar 15 14:24:42 UTC 2023
==========================================================================
Ubuntu Security Notice USN-5955-1
March 15, 2023
emacs24 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM
Summary:
Emacs could be made to crash or run programs as your login if it
opened a specially crafted file.
Software Description:
- emacs24: GNU Emacs editor
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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 16.04 ESM:
emacs24 24.5+1-6ubuntu1.1+esm2
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-5955-1
CVE-2022-48339
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