CVE-2026-45186

low

Description

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.

References

https://github.com/libexpat/libexpat/pull/1216

Details

Source: Mitre, NVD

Published: 2026-05-10

Updated: 2026-05-10

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: 2.9

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