USN-7852-1: libxml2 vulnerability

USN-7852-1: libxml2 vulnerability

Publication date :30 October 2025
Overview : libxml2 could be made to crash or run programs if it opened a specially crafted file.Publication date

Packages

• libxml2 - GNOME XML library

Details
It was discovered that libxslt, used by libxml2, incorrectly handled
certain attributes. An attacker could use this issue to cause a crash,
resulting in a denial of service, or possibly execute arbitrary code. This
update adds a fix to libxml2 to mitigate the libxslt vulnerability.

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

25.04 plucky

• libxml2 – 2.12.7+dfsg+really2.9.14-0.4ubuntu0.4
• python3-libxml2 – 2.12.7+dfsg+really2.9.14-0.4ubuntu0.4
  24.04 LTS noble
• libxml2 – 2.9.14+dfsg-1.3ubuntu3.6
• python3-libxml2 – 2.9.14+dfsg-1.3ubuntu3.6
  22.04 LTS jammy
• libxml2 – 2.9.13+dfsg-1ubuntu0.10
• python3-libxml2 – 2.9.13+dfsg-1ubuntu0.10