CVE-2022-22823
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
- Score
- CVSS 3.1 9.8 Critical
- Status
- Modified - cve@mitre.org
- Published
- 2022-01-10
- Last modified
- 2026-10-14
- Weaknesses
- CWE-190
Affected products
- Debian Linux (Debian)
- Libexpat (Libexpat Project)
- Simatic S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
- Simatic S7-1500 Cpu 1518f-4 Pndp Mfp (Siemens)
- Sinema Remote Connect Server (Siemens)
- Siplus S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
- Nessus (Tenable)
References
- https://github.com/libexpat/libexpat/pull/539
- http://www.openwall.com/lists/oss-security/2022/01/17/3
- https://www.tenable.com/security/tns-2022-05
- https://www.debian.org/security/2022/dsa-5073
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
- https://security.gentoo.org/glsa/202209-24
- https://cert-portal.siemens.com/productcert/html/ssa-484086.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
