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Debian LTS Advisory DLA-3165-1              [email protected]
https://www.debian.org/lts/security/                      Utkarsh Gupta
October 28, 2022                            https://wiki.debian.org/LTS
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Package        : expat
Version        : 2.2.6-2+deb10u6
CVE ID         : CVE-2022-43680
Debian Bug     : 1022743

In src:expat, an XML parsing C library, there is a use-after free
caused by overeager destruction of a shared DTD in
XML_ExternalEntityParserCreate in out-of-memory situations.

For Debian 10 buster, this problem has been fixed in version
2.2.6-2+deb10u6.

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