CVE-2022-23852
CRITICALCVSS 9.8/10EPSS 4.65%
Last modified
CVE-2022-23852 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.. EPSS estimates a 4.65% chance of exploitation in the next 30 days.
Description
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libexpat Project | Libexpat | < 2.4.4 |
| Netapp | Clustered Data Ontap | All versions |
| Netapp | Oncommand Workflow Automation | All versions |
| Tenable | Nessus | < 8.15.3 |
| Tenable | Nessus | >= 10.0.0, < 10.1.1 |
| Oracle | Communications Metasolv Solution | 6.3.1 |
| Debian | Debian Linux | 9.0 |
| Siemens | Sinema Remote Connect Server | < 3.1 |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfThird Party Advisory
- https://github.com/libexpat/libexpat/pull/550Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.htmlMailing List, Third 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 Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.htmlMailing List, Third 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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-23852?
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 a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.65% probability of exploitation in the next 30 days.
How do I fix CVE-2022-23852?
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.
Related CVEs from 2022
- CVE-2022-2384The Digital Publications by Supsystic WordPress plugin befor…4.8
- CVE-2022-23848In Alluxio before 2.7.3, the logserver does not validate the…9.8
- CVE-2022-23849The biometric lock in Devolutions Password Hub for iOS befor…6.6
- CVE-2022-2385A security issue was discovered in aws-iam-authenticator whe…8.8
- CVE-2022-23850xhtml_translate_entity in xhtml.c in epub2txt (aka epub2txt2…7.8
- CVE-2022-23851Netaxis API Orchestrator (APIO) before 0.19.3 allows server …9.8
- CVE-2022-23853The LSP (Language Server Protocol) plugin in KDE Kate before…7.8
- CVE-2022-23854AVEVA InTouch Access Anywhere versions 2020 R2 and older are…7.5
- CVE-2022-23855An issue was discovered in Saviynt Enterprise Identity Cloud…9.8
- CVE-2022-23856An issue was discovered in Saviynt Enterprise Identity Cloud…5.3
- CVE-2022-23857model/criteria/criteria.go in Navidrome before 0.47.5 is vul…6.5
- CVE-2022-23858A flaw was found in the REST API. An improperly handled REST…8.8
Are you affected by CVE-2022-23852?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST