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MEDIUM · 4.0

CVE-2026-32777

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

Vulnerability Description

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

CVSS Score

4.0

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
Libexpat ProjectLibexpat< 2.7.5

Related Weaknesses (CWE)

CWE-835

References

FAQ

What is CVE-2026-32777?

CVE-2026-32777 is a vulnerability with a CVSS score of 4.0 (MEDIUM). libexpat before 2.7.5 allows an infinite loop while parsing DTD content.

How severe is CVE-2026-32777?

CVE-2026-32777 has been rated MEDIUM with a CVSS base score of 4.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-32777?

Check the references section above for vendor advisories and patch information. Affected products include: Libexpat Project Libexpat.