CVE-2026-41080
- State
- Published
- Severity
- 2.9 Low
- Published
- Apr 16, 2026
- Updated
- Oct 15, 2026
- Reserved
- Apr 16, 2026
Description
libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 2.9 Low | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L | mitre |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-331 Insufficient Entropy
Affected Products
| Product | Versions |
|---|---|
libexpatlibexpat project |
|
References
- https://github.com/libexpat/libexpat/pull/1183
- https://github.com/libexpat/libexpat/issues/47
- https://www.openwall.com/lists/oss-security/2026/04/26/1
- https://blog.hartwork.org/posts/expat-2-8-0-released/
- http://www.openwall.com/lists/oss-security/2026/04/26/1
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
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