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: https://security-tracker.debian.org/tracker/expat