CVE-2026-41080

high

Description

libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.

References

https://www.openwall.com/lists/oss-security/2026/04/26/1

https://github.com/libexpat/libexpat/pull/1183

https://github.com/libexpat/libexpat/issues/47

https://cert-portal.siemens.com/productcert/html/ssa-082556.html

https://blog.hartwork.org/posts/expat-2-8-0-released/

http://www.openwall.com/lists/oss-security/2026/04/26/1

Details

Source: Mitre, NVD

Published: 2026-04-16

Updated: 2026-07-14

Risk Information

CVSS v2

Base Score: 1.2

Vector: CVSS2#AV:L/AC:H/Au:N/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.00013