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Debian Security Advisory DSA-5236-1                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
September 22, 2022                    https://www.debian.org/security/faq
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Package        : expat
CVE ID         : CVE-2022-40674
Debian Bug     : 1019761

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 the stable distribution (bullseye), this problem has been fixed in
version 2.2.10-2+deb11u4.

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 Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Debian: DSA-5236-1: expat security update

September 22, 2022
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...

Summary

For the stable distribution (bullseye), this problem has been fixed in
version 2.2.10-2+deb11u4.

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 Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Severity
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.

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