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A libyang security update has been released for Debian GNU/Linux 10 LTS to address multiple flaws.

[SECURITY] [DLA 3572-1] libyang security update

Debian LTS Advisory DLA-3572-1 Markus Koschany
September 19, 2023

Package : libyang
Version : 0.16.105+really1.0-0+deb10u1
CVE ID : CVE-2019-20391 CVE-2019-20392 CVE-2019-20393 CVE-2019-20394
CVE-2019-20395 CVE-2019-20396 CVE-2019-20397 CVE-2019-20398

Multiple flaws were found in libyang, a parser toolkit for IETF YANG data
modeling. Double frees, invalid memory access and Null pointer dereferences
may cause a denial of service or potentially code execution.

For Debian 10 buster, these problems have been fixed in version

We recommend that you upgrade your libyang packages.

For the detailed security status of libyang 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: