1. Ubuntu Security Notices
  2. USN-5688-2

USN-5688-2: Libksba vulnerability

Publication date

26 October 2022

Overview

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

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.

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.

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
22.10 kinetic libksba8 –  1.6.0-3ubuntu1

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References

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