Home / mailings

PDF

[USN-8318-1] libcaca vulnerability

Posted on 27 May 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8318-1
May 27, 2026

libcaca 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:

libcaca could be made to crash or run programs as your login if it
opened a specially crafted file.

Software Description:
- libcaca: text mode graphics utilities

Details:

It was discovered that libcaca incorrectly handled certain malformed files.
An attacker could use this issue to cause libcaca to crash, resulting in a
denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 26.04 LTS
caca-utils 0.99.beta20-6ubuntu2.1
libcaca0 0.99.beta20-6ubuntu2.1

Ubuntu 25.10
caca-utils 0.99.beta20-5ubuntu0.25.10.2
libcaca0 0.99.beta20-5ubuntu0.25.10.2

Ubuntu 24.04 LTS
caca-utils 0.99.beta20-4ubuntu0.2
libcaca0 0.99.beta20-4ubuntu0.2

Ubuntu 22.04 LTS
caca-utils 0.99.beta19-2.2ubuntu4.2
libcaca0 0.99.beta19-2.2ubuntu4.2

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

References:
https://ubuntu.com/security/notices/USN-8318-1
CVE-2026-42046

Package Information:
https://launchpad.net/ubuntu/+source/libcaca/0.99.beta20-6ubuntu2.1
https://launchpad.net/ubuntu/+source/libcaca/0.99.beta20-5ubuntu0.25.10.2
https://launchpad.net/ubuntu/+source/libcaca/0.99.beta20-4ubuntu0.2
https://launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2.2ubuntu4.2

--===============2774111635505007947==Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature

 

TOP