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USN-5688-2: Libksba vulnerability

26 October 2022

Libksba could be made to crash or run programs if it decoded specially crafted data.

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Releases

Packages

  • libksba - X.509 and CMS support library

Details

USN-5688-1 fixed vulnerabilities in Libksba. This update provides
the corresponding update for Ubuntu 22.10.

Original advisory details:

It was discovered that an integer overflow could be triggered in Libksba
when decoding certain data. An attacker could use this issue to cause a
denial of service (application crash) or possibly execute arbitrary code.

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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.

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Update instructions

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

Ubuntu 22.10

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

References

Related notices

  • USN-5688-1: libksba-mingw-w64-dev, libksba8, libksba, libksba-dev

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Further reading