Heap Buffer Overflow Vulnerability in texlive-bin Package
Summary
DEBIAN-CVE-2022-35455: OTFCC v0.10.4 was discovered to contain a heap-buffer overflow via /release-x64/otfccdump+0x6b0d63. Affects texlive-bin versions 2022.20220321.62855-5.1 – 2025.20250727.75242+ds-5~hurd.1. No fix is published. How to fix ↓
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Background
The texlive-bin package is a crucial component of the TeX Live distribution, which provides a comprehensive suite for typesetting documents. It includes various utilities and scripts that facilitate the processing of TeX documents. However, the package has been identified to contain a vulnerability that could potentially compromise system integrity.
Vulnerability Detail
OTFCC v0.10.4 was discovered to contain a heap-buffer overflow via /release-x64/otfccdump+0x6b0d63. This vulnerability arises from improper handling of memory allocation, which can lead to arbitrary code execution or crashes. Attackers could exploit this vulnerability to manipulate the heap memory, resulting in unauthorized access or denial of service.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can avoid using the specific functionalities of the texlive-bin package that invoke the vulnerable component until an update is applied. Additionally, consider running the application in a controlled environment to mitigate potential risks.
Conclusion
The texlive-bin package has a critical heap buffer overflow vulnerability that could lead to severe security risks. It is essential to update the package to the latest version to mitigate these risks. Users are encouraged to monitor their systems and utilize tools like Vulert for ongoing vulnerability management.
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FAQ
A heap buffer overflow occurs when a program writes more data to a buffer located on the heap than it can hold, potentially overwriting adjacent memory and leading to unpredictable behavior.
Exploitation of this vulnerability can lead to arbitrary code execution, allowing attackers to gain unauthorized access to your system or crash the application.
If you are using the texlive-bin package version 0.10.4 or earlier, your system may be vulnerable. You can check for vulnerabilities using tools like Vulert.
Vulert is a tool that monitors and alerts for open-source vulnerabilities in your software using a manifest file. It helps you stay informed about potential risks without requiring code access.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
References
Related vulnerabilities
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