CVE-2022-25236
- State
- Published
- Severity
- 9.8 Critical
- Published
- Feb 16, 2022
- Updated
- Oct 14, 2026
- Reserved
- Feb 16, 2022
Description
xmlparse.c in Expat (aka libexpat) before 2.4.5 allows attackers to insert namespace-separator characters into namespace URIs.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-668 Exposure of Resource to Wrong Sphere
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://github.com/libexpat/libexpat/pull/561
- [oss-security] 20220219 Expat 2.4.5 released, includes 5 security fixesmailing-list
- DSA-5085vendor-advisory
- FEDORA-2022-04f206996bvendor-advisory
- FEDORA-2022-3d9d67f558vendor-advisory
- [debian-lts-announce] 20220307 [SECURITY] [DLA 2935-1] expat security updatemailing-list
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://security.netapp.com/advisory/ntap-20220303-0008/
- http://packetstormsecurity.com/files/167238/Zoom-XMPP-Stanza-Smuggling-Remote-Code-Execution.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
- GLSA-202209-24vendor-advisory
- https://cert-portal.siemens.com/productcert/html/ssa-484086.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.