CVE-2022-22823

CWE-190 — Integer Overflow11 documents8 sources
Severity
9.8CRITICAL
EPSS
0.4%
top 37.41%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Libexpat Project LibexpatSiemens Sinema Remote Connect ServerTenable Nessus+1 more
Timeline
PublishedJan 10
Latest updateJan 13

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages5 packages

▶Debianexpat< 2.2.10-2+deb11u1+3
▶NVDtenable/nessus10.0.0 — 10.1.1+1
▶Ubuntulibxmltok< 1.2-3ubuntu0.16.04.1~esm2+3

Also affects: Debian Linux 10.0, 11.0

Patches

Patch: cert-portal.siemens.com ↗Patch: cert-portal.siemens.com ↗

🔴Vulnerability Details

4
OSV
libxmltok vulnerabilities↗2022-07-19
▶
GHSA
GHSA-g654-6pp3-8m8w: build_model in xmlparse↗2022-02-10
▶
OSV
CVE-2022-22823: build_model in xmlparse↗2022-01-10
▶
CVEList
CVE-2022-22823: build_model in xmlparse↗2022-01-08
▶

📋Vendor Advisories

6
Ubuntu
xmltok library vulnerabilities↗2025-01-13
▶
Ubuntu
xmltok library vulnerabilities↗2022-07-19
▶
Ubuntu
Expat vulnerabilities↗2022-02-21
▶
Red Hat
expat: Integer overflow in build_model in xmlparse.c↗2022-01-15
▶
Microsoft
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.↗2022-01-11
▶
CVE-2022-22823 (CRITICAL CVSS 9.8) | build_model in xmlparse.c in Expat | cvebase.io