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Ubuntu 25.10: GLib Important DoS Risk USN-7971-1 CVE-2026-0988

ubuntu
Calendar Grey January 21, 2026
Dist Ubuntu Esm H88
GLib on Ubuntu could crash or run unauthorized programs from crafted input. Immediate updates recommended.
GLib could be made to crash or run programs if it received specially crafted input.

Summary

GLib could be made to crash or run programs if it received specially

crafted input.

Software Description:

- glib2.0: GLib library of C routines

Details:

It was discovered that GLib incorrectly handled the buffered input stream

API. An attacker could use this issue to cause GLib to crash, resulting in

a denial of service, or possibly execute arbitrary code.

Topics%20covered

Topics Covered

security advisory DoS Ubuntu important arbitrary code glib

Update Instructions

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

Ubuntu 25.10
  libglib2.0-0t64                 2.86.0-2ubuntu0.2
  libglib2.0-bin                  2.86.0-2ubuntu0.2

Ubuntu 24.04 LTS
  libglib2.0-0t64                 2.80.0-6ubuntu3.7
  libglib2.0-bin                  2.80.0-6ubuntu3.7

Ubuntu 22.04 LTS
  libglib2.0-0                    2.72.4-0ubuntu2.8
  libglib2.0-bin                  2.72.4-0ubuntu2.8

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

References

https://ubuntu.com/security/notices/USN-7971-1

CVE-2026-0988

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7971-1

Topics%20covered

Topics Covered

security advisory DoS Ubuntu important arbitrary code glib

Package Information

https://launchpad.net/ubuntu/+source/glib2.0/2.80.0-6ubuntu3.7
https://launchpad.net/ubuntu/+source/glib2.0/2.72.4-0ubuntu2.8

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