CVE-2022-23852
- State
- Published
- Severity
- 9.8 Critical
- Published
- Jan 24, 2022
- Updated
- Oct 14, 2026
- Reserved
- Jan 24, 2022
Description
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
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-190 Integer Overflow or Wraparound
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://github.com/libexpat/libexpat/pull/550
- DSA-5073vendor-advisory
- [debian-lts-announce] 20220307 [SECURITY] [DLA 2935-1] expat security updatemailing-list
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.tenable.com/security/tns-2022-05
- https://security.netapp.com/advisory/ntap-20220217-0001/
- 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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