CVE-2022-25235
- State
- Published
- Severity
- 9.8 Critical
- Published
- Feb 16, 2022
- Updated
- Oct 14, 2026
- Reserved
- Feb 16, 2022
Description
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.
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-116 Improper Encoding or Escaping of Output
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://github.com/libexpat/libexpat/pull/562
- [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/
- 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
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