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[USN-8314-1] Ayttm vulnerabilities

Posted on 27 May 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8314-1
May 27, 2026

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

- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Ayttm.

Software Description:
- ayttm: Universal Instant Messaging Client

Details:

It was discovered that Expat, vendored in Ayttm, incorrectly handled
certain files. An attacker could possibly use this issue to cause a crash
or execute arbitrary code.

Update instructions:

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

Ubuntu 16.04 LTS
ayttm 0.6.3-3ubuntu0.1~esm1
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-8314-1
CVE-2022-25235, CVE-2022-25236

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