Debian Security Advisory

DSA-5266-1 expat -- security update

Date Reported:
30 Oct 2022
Affected Packages:
Security database references:
In the Debian bugtracking system: Bug 1022743.
In Mitre's CVE dictionary: CVE-2022-43680.
More information:

A heap use-after-free vulnerability after overeager destruction of a shared DTD in the XML_ExternalEntityParserCreate function in Expat, an XML parsing C library, may result in denial of service or potentially the execution of arbitrary code.

For the stable distribution (bullseye), this problem has been fixed in version 2.2.10-2+deb11u5.

We recommend that you upgrade your expat packages.

For the detailed security status of expat please refer to its security tracker page at: