CVE-2022-22824

CRITICAL

libexpat < 2.4.3 - Integer Overflow in defineAttribute

Title source: llm
STIX 2.1

Description

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

References (6)

Core 6
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/libexpat/libexpat/pull/539
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2022/01/17/3
Third Party Advisory x_refsource_confirm
https://www.tenable.com/security/tns-2022-05
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2022/dsa-5073
Patch, Third Party Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202209-24

Scores

CVSS v3 9.8
EPSS 0.0032
EPSS Percentile 55.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-190
Status published
Products (5)
debian/debian_linux 10.0
debian/debian_linux 11.0
libexpat_project/libexpat < 2.4.3
siemens/sinema_remote_connect_server < 3.1
tenable/nessus < 8.15.3
Published Jan 10, 2022
Tracked Since Feb 18, 2026