Debian Security Advisory

DLA-2904-1 expat -- LTS security update

Date Reported:

30 Jan 2022

Affected Packages:

Vulnerable:

Yes

Security database references:

In the Debian bugtracking system: Bug 1002994, Bug 1003474.
In Mitre's CVE dictionary: CVE-2021-45960, CVE-2021-46143, CVE-2022-22822, CVE-2022-22823, CVE-2022-22824, CVE-2022-22825, CVE-2022-22826, CVE-2022-22827, CVE-2022-23852, CVE-2022-23990.

More information:

Multiple security vulnerabilities have been discovered in Expat, the XML parsing C library. Integer overflows or invalid shifts may lead to a denial of service or other unspecified impact.

For Debian 9 stretch, these problems have been fixed in version 2.2.0-2+deb9u4.

We recommend that you upgrade your expat packages.

For the detailed security status of expat please refer to its security tracker page at: https://security-tracker.debian.org/tracker/expat

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