Vulnerability Description
In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libexpat Project | Libexpat | <= 2.4.9 |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 35 |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H410S Firmware | - |
| Netapp | H410S | - |
| Netapp | H410C Firmware | - |
| Netapp | H410C | - |
| Netapp | Active Iq Unified Manager | - |
| Netapp | Oncommand Workflow Automation | - |
| Netapp | Solidfire \& Hci Management Node | - |
| Netapp | Hci Compute Node Firmware | - |
| Netapp | Hci Compute Node | - |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2023/12/28/5Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2024/01/03/5Mailing ListThird Party Advisory
- https://github.com/libexpat/libexpat/issues/649ExploitIssue TrackingPatch
- https://github.com/libexpat/libexpat/pull/616ExploitIssue TrackingPatch
- https://github.com/libexpat/libexpat/pull/650ExploitIssue TrackingPatch
- https://lists.debian.org/debian-lts-announce/2022/10/msg00033.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202210-38Third Party Advisory
- https://security.netapp.com/advisory/ntap-20221118-0007/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5266Third Party Advisory
FAQ
What is CVE-2022-43680?
CVE-2022-43680 is a vulnerability with a CVSS score of 7.5 (HIGH). In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.
How severe is CVE-2022-43680?
CVE-2022-43680 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-43680?
Check the references section above for vendor advisories and patch information. Affected products include: Libexpat Project Libexpat, Debian Debian Linux, Fedoraproject Fedora, Netapp H300S Firmware, Netapp H300S.