Vulnerability Description
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
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 | < 2.4.4 |
| Netapp | Clustered Data Ontap | - |
| Netapp | Oncommand Workflow Automation | - |
| Tenable | Nessus | < 8.15.3 |
| Oracle | Communications Metasolv Solution | 6.3.1 |
| Debian | Debian Linux | 9.0 |
| Siemens | Sinema Remote Connect Server | < 3.1 |
Related Weaknesses (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfThird Party Advisory
- https://github.com/libexpat/libexpat/pull/550Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202209-24Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220217-0001/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5073Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory
- https://www.tenable.com/security/tns-2022-05Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfThird Party Advisory
- https://github.com/libexpat/libexpat/pull/550Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202209-24Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220217-0001/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5073Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory
FAQ
What is CVE-2022-23852?
CVE-2022-23852 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
How severe is CVE-2022-23852?
CVE-2022-23852 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-2022-23852?
Check the references section above for vendor advisories and patch information. Affected products include: Libexpat Project Libexpat, Netapp Clustered Data Ontap, Netapp Oncommand Workflow Automation, Tenable Nessus, Oracle Communications Metasolv Solution.