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[USN-8346-1] Texmaker vulnerabilities

Posted on 29 May 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8346-1
May 28, 2026

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

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Texmaker could be made to crash or run programs if it received specially
crafted input.

Software Description:
- texmaker: Free cross-platform LaTeX editor

Details:

It was discovered that the vendored LibTIFF in Texmaker incorrectly
handled memory when parsing malformed TIFF image metadata. An attacker
could possibly use this issue to cause a denial of service, obtain
sensitive information, or execute arbitrary code.

Update instructions:

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

Ubuntu 24.04 LTS
texmaker 5.1.3+dfsg-1ubuntu0.1~esm1
Available with Ubuntu Pro
texmaker-data 5.1.3+dfsg-1ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 22.04 LTS
texmaker 5.0.3-1ubuntu0.22.04.1~esm1
Available with Ubuntu Pro
texmaker-data 5.0.3-1ubuntu0.22.04.1~esm1
Available with Ubuntu Pro

Ubuntu 20.04 LTS
texmaker 5.0.3-1ubuntu0.20.04.1~esm1
Available with Ubuntu Pro
texmaker-data 5.0.3-1ubuntu0.20.04.1~esm1
Available with Ubuntu Pro

Ubuntu 18.04 LTS
texmaker 5.0.2-1ubuntu0.1~esm1
Available with Ubuntu Pro
texmaker-data 5.0.2-1ubuntu0.1~esm1
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-8346-1
CVE-2025-9900

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