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USN-6402-1: LibTomMath vulnerability

2 October 2023

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

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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).

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 23.04
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

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

References

Related notices

  • USN-6402-2: libtommath1, libtommath-dev, libtommath, libtommath-doc

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Further reading