USN-7985-1: TeX Live vulnerabilities

Publication date

29 January 2026

Overview

Several security issues were fixed in TeX Live.


Packages

Details

Shin Ando discovered that the Xpdf toolkit embedded in TeX Live incorrectly
handled memory when decoding certain data streams. An attacker could
possibly use this issue to cause TeX Live to crash, resulting in a denial
of service, or execute arbitrary code. This issue only affected Ubuntu
20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-24106, CVE-2022-24107)

It was discovered that TeX Live allowed documents to make arbitrary network
requests. If a user or automated system were tricked into opening a
specially crafted document, a remote attacker could possibly use this issue
to exfiltrate sensitive information, or perform other network-related
attacks. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
(CVE-2023-32668)

It was discovered that TeX Live incorrectly handled certain TrueType fonts.
If a user...

Shin Ando discovered that the Xpdf toolkit embedded in TeX Live incorrectly
handled memory when decoding certain data streams. An attacker could
possibly use this issue to cause TeX Live to crash, resulting in a denial
of service, or execute arbitrary code. This issue only affected Ubuntu
20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-24106, CVE-2022-24107)

It was discovered that TeX Live allowed documents to make arbitrary network
requests. If a user or automated system were tricked into opening a
specially crafted document, a remote attacker could possibly use this issue
to exfiltrate sensitive information, or perform other network-related
attacks. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
(CVE-2023-32668)

It was discovered that TeX Live incorrectly handled certain TrueType fonts.
If a user or automated system were tricked into opening a specially crafted
TrueType font, a remote attacker could use this issue to cause TeX Live to
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
(CVE-2024-25262)


Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
22.04 LTS jammy texlive-binaries –  2021.20210626.59705-1ubuntu0.3
20.04 LTS focal texlive-binaries –  2019.20190605.51237-3ubuntu0.2+esm1  
18.04 LTS bionic texlive-binaries –  2017.20170613.44572-8ubuntu0.2+esm1  
16.04 LTS xenial texlive-binaries –  2015.20160222.37495-1ubuntu0.1+esm1  

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