Debian Security Advisory

DLA-3153-1 libksba -- LTS security update

Date Reported:
17 Oct 2022
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 1021928.
In Mitre's CVE dictionary: CVE-2022-3515.
More information:

An integer overflow flaw was discovered in the CRL parser in libksba, an X.509 and CMS support library, which could result in denial of service or the execution of arbitrary code.

For Debian 10 buster, this problem has been fixed in version 1.3.5-2+deb10u1.

We recommend that you upgrade your libksba packages.

For the detailed security status of libksba please refer to its security tracker page at:

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: