CVE-2022-25313
MEDIUMCVSS 6.5/10EPSS 3.27%
Last modified
CVE-2022-25313 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.. EPSS estimates a 3.27% chance of exploitation in the next 30 days.
Description
In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libexpat Project | Libexpat | < 2.4.5 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Fedoraproject | Fedora | 34 |
| Fedoraproject | Fedora | 35 |
| Oracle | Http Server | 12.2.1.3.0 |
| Oracle | Http Server | 12.2.1.4.0 |
| Oracle | Zfs Storage Appliance Kit | 8.8 |
| Siemens | Sinema Remote Connect Server | < 3.1 |
References
- http://www.openwall.com/lists/oss-security/2022/02/19/1Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfThird Party Advisory
- https://github.com/libexpat/libexpat/pull/558Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.htmlThird Party Advisory
- https://security.gentoo.org/glsa/202209-24Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220303-0008/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5085Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2022/02/19/1Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfThird Party Advisory
- https://github.com/libexpat/libexpat/pull/558Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.htmlThird Party Advisory
- https://security.gentoo.org/glsa/202209-24Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220303-0008/Third Party Advisory
- https://www.debian.org/security/2022/dsa-5085Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-25313?
In Expat (aka libexpat) before 2.4.5, an attacker can trigger stack exhaustion in build_model via a large nesting depth in the DTD element.
How severe is CVE-2022-25313?
CVE-2022-25313 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 3.27% probability of exploitation in the next 30 days.
How do I fix CVE-2022-25313?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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