Is CVE-2026-32777 actively exploited?

CVE-2026-32777 has no public evidence of in-the-wild exploitation as of 2026-03-17.

What is the CVSS score for CVE-2026-32777?

CVE-2026-32777 has a CVSS score of 4 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

How do I patch CVE-2026-32777?

Patch guidance is available from libexpat project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-32777.

Which products are affected by CVE-2026-32777?

1 product: libexpat project libexpat.

CVE-2026-32777 - remediation guidance & executive summary

Description

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

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector: local
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: low
Weaknesses: CWE-835

Metadata

Primary Vendor: LIBEXPAT_PROJECT
Published: 3/16/2026
Last Modified: 3/17/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-32777

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary