1. Ubuntu Security Notices
  2. USN-6402-1

USN-6402-1: LibTomMath vulnerability

Publication date

2 October 2023

Overview

LibTomMatch could be made to execute arbitrary code or denial of service if it received a specially crafted input.

Releases

Packages

  • libtommath - multiple-precision integer library [development files]

Details

It was discovered that LibTomMath incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code
and cause a denial of service (DoS).

It was discovered that LibTomMath incorrectly handled certain inputs.
An attacker could possibly use this issue to execute arbitrary code
and cause a denial of service (DoS).

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
23.04 lunar libtommath1 –  1.2.0-6ubuntu0.23.04.1
22.04 jammy libtommath1 –  1.2.0-6ubuntu0.22.04.1
20.04 focal libtommath1 –  1.2.0-3ubuntu0.1
18.04 bionic libtommath1 –  1.0.1-1ubuntu0.1~esm1  
16.04 xenial libtommath0 –  0.42.0-1.2ubuntu0.1~esm1  

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References

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