Integer Overflow or Wraparound SNYK-DEBIAN9-EXPAT-2331817

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NVD Description

Note: Versions mentioned in the description apply only to the upstream expat package and not the expat package as distributed by Debian.
See How to fix? for Debian:9 relevant fixed versions and status.

defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.

Remediation

Upgrade Debian:9 expat to version 2.2.0-2+deb9u4 or higher.

References

• https://security-tracker.debian.org/tracker/CVE-2022-22824
• http://www.openwall.com/lists/oss-security/2022/01/17/3
• https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
• [CVE-2022-22822 to CVE-2022-22827] lib: Prevent more integer overflows libexpat/libexpat#539
• https://security.gentoo.org/glsa/202209-24
• https://www.debian.org/security/2022/dsa-5073
• https://www.tenable.com/security/tns-2022-05