CVEvulnerability
CVE-2026-76956
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-08-20
- Last modified
- 2026-09-08
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-394
Description
In libexpat 2.8.2 and 2.8.3 before 2.8.4, misinterpretation of getentropy's return code leads to insufficient entropy, which results in being vulnerable to hash flooding attacks, causing a denial of service via crafted XML content.
Affected configurations
• libexpat project libexpat (>= 2.8.2 < 2.8.4)
Related
Weakness · CWE (1)
- CWE-394 Unexpected Status Code or Return Value weakness
References
- https://github.com/libexpat/libexpat/pull/1326 Issue Tracking, Patch
- https://github.com/libexpat/libexpat/pull/1329 Issue Tracking, Patch