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CVE-2026-76956

libexpat

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.

CVSS 5.9EPSS 0.25%Risk 0.6
View source
Published
2026-08-20 05:16:29
Affected versions
<2.8.4
Type
Library
Last modified
2026-08-20 18:16:52
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H