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A libksba security update has been released for Debian GNU/Linux 10 to address an integer overflow flaw.

DLA 3153-1: libksba security update

Debian LTS Advisory DLA-3153-1 Markus Koschany
October 17, 2022

Package : libksba
Version : 1.3.5-2+deb10u1
CVE ID : CVE-2022-3515
Debian Bug : 1021928

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

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: