VDB
CVE-2026-76956
CVE-2026-76956
PUBLISHED
CVSS 5.9 MEDIUM
Reported by mitre · Published August 20, 2026
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.
Risk Scores
CVSS 3.1
5.9
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| libexpat project | libexpat | 2.8.2 |
| libexpat_project | libexpat | 2.8.2 |
| libexpat project | libexpat | 2.8.2 |
| alpine | expat | 0, 0, 0 |
Timeline
- Aug 20, 2026 Coalition ESS Score
- Aug 20, 2026 CVE Published
- Aug 20, 2026 CVE Updated
- Aug 24, 2026 EPSS Score
- Aug 30, 2026 EPSS Score
- Sep 2, 2026 EPSS Score
- Sep 3, 2026 Security Advisory
- Sep 6, 2026 EPSS Score
- Sep 9, 2026 EPSS Score
- Sep 12, 2026 EPSS Score
- Sep 16, 2026 EPSS Score
- Sep 18, 2026 EPSS Score