Debian Security Advisory

DLA-2935-1 expat -- LTS security update

Date Reported:
07 Mar 2022
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 1005894, Bug 1005895.
In Mitre's CVE dictionary: CVE-2022-23852, CVE-2022-25235, CVE-2022-25236, CVE-2022-25313, CVE-2022-25315.
More information:

Several vulnerabilities have been discovered in Expat, an XML parsing C library, which could result in denial of service or potentially the execution of arbitrary code, if a malformed XML file is processed.

For Debian 9 stretch, these problems have been fixed in version 2.2.0-2+deb9u5.

We recommend that you upgrade your expat packages.

For the detailed security status of expat 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: