DEBIAN-CVE-2022-22822 — Vulnetix

DEBIAN-CVE-2022-22822 PUBLISHED CVSS 9.800000190734863 CRITICAL

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

Risk Scores

CVSS 3.1

9.800000190734863

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions
Debian:11	libxmltok	*, 1.2-4.1, 0
Debian:12	expat	0, 0, 0
Debian:11	expat	0, 0, 2.2.10-2
Debian:14	expat	0, 0, 0
Debian:13	expat	0, 0, 0
Debian:12	libxmltok	0, 1.2-4.2, 1.2-4.1~exp1

Exploit Intelligence

nanopathi/external_expat_AOSP10_r33_CVE-2022-22822toCVE-2022-22827 (github-poc)

Timeline

Jan 10, 2022 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2022-22822 advisory

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