Ubuntu USN · USN-8346-1

Texmaker vulnerabilities

Published: Thu, 28 May 2026 22:41

CVE-2025-9900

Summary

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

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.

Recommended actions per Ubuntu release

StackPatch playbook auto-generated per release codename and per affected package.

Ubuntu bionic

texmaker→5.0.2-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 5.0.2-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y texmaker=5.0.2-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
texmaker→5.0.2-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 5.0.2-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y texmaker=5.0.2-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
texmaker-data→5.0.2-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 5.0.2-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y texmaker-data=5.0.2-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Ubuntu focal

texmaker→5.0.3-1ubuntu0.20.04.1~esm1apt_upgrade_esm
Fixed at 5.0.3-1ubuntu0.20.04.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y texmaker=5.0.3-1ubuntu0.20.04.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
texmaker→5.0.3-1ubuntu0.20.04.1~esm1apt_upgrade_esm
Fixed at 5.0.3-1ubuntu0.20.04.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y texmaker=5.0.3-1ubuntu0.20.04.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
texmaker-data→5.0.3-1ubuntu0.20.04.1~esm1apt_upgrade_esm
Fixed at 5.0.3-1ubuntu0.20.04.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y texmaker-data=5.0.3-1ubuntu0.20.04.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Ubuntu jammy

texmaker→5.0.3-1ubuntu0.22.04.1~esm1apt_upgrade_esm
Fixed at 5.0.3-1ubuntu0.22.04.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y texmaker=5.0.3-1ubuntu0.22.04.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
texmaker→5.0.3-1ubuntu0.22.04.1~esm1apt_upgrade_esm
Fixed at 5.0.3-1ubuntu0.22.04.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y texmaker=5.0.3-1ubuntu0.22.04.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
texmaker-data→5.0.3-1ubuntu0.22.04.1~esm1apt_upgrade_esm
Fixed at 5.0.3-1ubuntu0.22.04.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y texmaker-data=5.0.3-1ubuntu0.22.04.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Ubuntu noble

texmaker→5.1.3+dfsg-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 5.1.3+dfsg-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y texmaker=5.1.3+dfsg-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
texmaker→5.1.3+dfsg-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 5.1.3+dfsg-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y texmaker=5.1.3+dfsg-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.
texmaker-data→5.1.3+dfsg-1ubuntu0.1~esm1apt_upgrade_esm
Fixed at 5.1.3+dfsg-1ubuntu0.1~esm1 — ESM-only. Enable Ubuntu Pro (free for 5 personal machines) or treat as watch item.
```
sudo pro attach <token>
sudo apt-get update
sudo apt-get install --only-upgrade -y texmaker-data=5.1.3+dfsg-1ubuntu0.1~esm1
```
Sign up at https://ubuntu.com/pro. Free for personal + small-team use.

Are YOU affected by USN-8346-1?

5-second check on your actual server. Reads /etc/os-release, uname -r, and dpkg-query; matches against the live USN + Debian Security Tracker feeds; tells you whether USN-8346-1 (and any other live CVE) applies. Anonymous, no signup.

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