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Debian: DLA-3119-1 Critical: Expat Heap Use-After-Free Denial of Service

debian lts
Calendar Grey September 25, 2022
Dist Debian Esm H88
Ubuntu Security Notice USN-1234-1 fixes a buffer overflow vulnerability in LibPNG's decodeImage function, safeguarding against potentially severe exploits.
Rhodri James discovered a heap use-after-free vulnerability in the doContent function in Expat, an XML parsing C library, which could result in denial of service or potentially the...
Topics%20covered

Topics Covered

security advisory denial of service security issue code execution debian expat heap use-after-free

Summary

Rhodri James discovered a heap use-after-free vulnerability in the
doContent function 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 10 buster, this problem has been fixed in version
2.2.6-2+deb10u5.

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/source-package/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



Severity
critical
Lowest
Low
Medium
High
Critical

Package: expat
Version: 2.2.6-2+deb10u5
CVE ID: CVE-2022-40674

Topics%20covered

Topics Covered

security advisory denial of service security issue code execution debian expat heap use-after-free

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