Vulnerability Description
build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libexpat Project | Libexpat | < 2.4.3 |
| Tenable | Nessus | < 8.15.3 |
| Debian | Debian Linux | 10.0 |
| Siemens | Sinema Remote Connect Server | < 3.1 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2022/01/17/3Mailing ListThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfPatchThird Party Advisory
- https://github.com/libexpat/libexpat/pull/539Third Party Advisory
- https://security.gentoo.org/glsa/202209-24Third Party Advisory
- https://www.debian.org/security/2022/dsa-5073Third Party Advisory
- https://www.tenable.com/security/tns-2022-05Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/01/17/3Mailing ListThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfPatchThird Party Advisory
- https://github.com/libexpat/libexpat/pull/539Third Party Advisory
- https://security.gentoo.org/glsa/202209-24Third Party Advisory
- https://www.debian.org/security/2022/dsa-5073Third Party Advisory
- https://www.tenable.com/security/tns-2022-05Third Party Advisory
FAQ
What is CVE-2022-22823?
CVE-2022-22823 is a vulnerability with a CVSS score of 9.8 (CRITICAL). build_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
How severe is CVE-2022-22823?
CVE-2022-22823 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2022-22823?
Check the references section above for vendor advisories and patch information. Affected products include: Libexpat Project Libexpat, Tenable Nessus, Debian Debian Linux, Siemens Sinema Remote Connect Server.