CVE-2026-32777

medium

Description

libexpat before 2.7.5 allows an infinite loop while parsing DTD content.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-26-155-04

https://issues.oss-fuzz.com/issues/486993411

https://github.com/libexpat/libexpat/pull/1162

https://github.com/libexpat/libexpat/pull/1159

https://github.com/libexpat/libexpat/issues/1161

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

Details

Source: Mitre, NVD

Published: 2026-03-16

Updated: 2026-07-14

Risk Information

CVSS v2

Base Score: 4.6

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

Severity: Medium

CVSS v3

Base Score: 5.5

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

Severity: Medium

EPSS

EPSS: 0.00013