CVE-2022-22822

CRITICALImmediate

Published:Jan 10, 2022(4 years ago)

Modified:May 5, 2025

Remote ExploitNo Auth RequiredNo InteractionLow Complexity

Vulnerability Description

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

Attack Characteristics

Network AccessLow ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
libexpat_project	libexpat	2.4.3	-
tenable	nessus	8.15.3	-
tenable	nessus	10.0.0 - 10.1.1

Timeline

Published
CVE disclosed publicly
Jan 10, 20224 years ago
Last Modified
Most recent update
May 5, 20251 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

http://www.openwall.com/lists/oss-security/2022/01/17/3Mailing List
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfPatch
https://github.com/libexpat/libexpat/pull/539Patch

CVSS Score

v3.1

9.8/ 10.0

CRITICAL

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

At a Glance

Affected Products

References

libexpat_project / libexpat

CVE-2022-22822

Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

CVE-2022-22822

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description