PT-2026-25631 · Libexpat · Libexpat

Hartwork · Published 2026-03-16 · Updated 2026-03-16 · CVE-2026-32777

X.com · Cvenew

CVSS v3.1

4.0

4.0

Medium

Base vector

AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVE-2026-32777 libexpat before 2.7.5 allows an infinite loop while parsing DTD content. https://t.co/yEYGEqYJTs

Fix

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

CVE-2026-32777

Affected Products

Libexpat

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-32777 · Security Note
• https://github.com/libexpat/libexpat/pull/1162 · Note
• https://github.com/libexpat/libexpat/pull/1159 · Note
• https://github.com/libexpat/libexpat/issues/1161 · Note
• https://issues.oss-fuzz.com/issues/486993411 · Note
• https://twitter.com/CVEnew/status/2033583699477074216 · Twitter Post