VulnerabilityModified
CVE-2026-32777
libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
MEDIUM 5.5EPSS 0.22%
Does this matter?
Lower severity and a low EPSS score (0.22%). Track it; it rarely justifies an emergency change on its own.
Description
libexpat before 2.7.5 allows an infinite loop while parsing DTD content.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.22% probability · 12th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-835
- Affected
- libexpat project/libexpat
- Source
- cve@mitre.org
References
- https://github.com/libexpat/libexpat/issues/1161Exploit, Issue Tracking, Vendor Advisory
- https://github.com/libexpat/libexpat/pull/1159Issue Tracking, Patch
- https://github.com/libexpat/libexpat/pull/1162Issue Tracking, Patch
- https://issues.oss-fuzz.com/issues/486993411Permissions Required
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.