USN-7932-1: libsoup vulnerability

Publication date

15 December 2025

Overview

libsoup could be made to crash if it received specially crafted network traffic.


Packages

  • libsoup3 - HTTP client/server library for GNOME

Details

It was discovered libsoup incorrectly handled memory when handling specific
HTTP/2 read and cancel sequences. An attacker could possibly use this issue
to cause a denial of service.

It was discovered libsoup incorrectly handled memory when handling specific
HTTP/2 read and cancel sequences. An attacker could possibly use this issue
to cause a denial of service.

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
25.10 questing libsoup-3.0-0 –  3.6.5-4ubuntu0.1
25.04 plucky libsoup-3.0-0 –  3.6.5-1ubuntu0.3
24.04 LTS noble libsoup-3.0-0 –  3.4.4-5ubuntu0.6
22.04 LTS jammy libsoup-3.0-0 –  3.0.7-0ubuntu1+esm6  

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