[USN-8484-1] GD.pm vulnerability

[noreply+usn-bot at canonical.com]

==========================================================================
Ubuntu Security Notice USN-8484-1
June 30, 2026

libgd-perl vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 26.04 LTS
- Ubuntu 25.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

GD.pm could be made to run programs or overwrite files if it opened a
specially crafted file.

Software Description:
- libgd-perl: Perl module wrapper for libgd

Details:

It was discovered that GD.pm incorrectly handled filename arguments. An
attacker could possibly use this issue to execute arbitrary commands or
overwrite files.

Update instructions:

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

Ubuntu 26.04 LTS
  libgd-perl                      2.84-2ubuntu0.1

Ubuntu 25.10
  libgd-perl                      2.78-1ubuntu0.25.10.1

Ubuntu 24.04 LTS
  libgd-perl                      2.78-1ubuntu0.24.04.1

Ubuntu 22.04 LTS
  libgd-perl                      2.76-2ubuntu0.1

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

References:
  https://ubuntu.com/security/notices/USN-8484-1
  CVE-2026-11526

Package Information:
  https://launchpad.net/ubuntu/+source/libgd-perl/2.84-2ubuntu0.1
  https://launchpad.net/ubuntu/+source/libgd-perl/2.78-1ubuntu0.25.10.1
  https://launchpad.net/ubuntu/+source/libgd-perl/2.78-1ubuntu0.24.04.1
  https://launchpad.net/ubuntu/+source/libgd-perl/2.76-2ubuntu0.1
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: OpenPGP digital signature
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20260630/a6e387f5/attachment.sig>