CVE-2026-32777

MEDIUM EPSS 12.0%
Published Mar 16, 20263mo ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Mar 16, 2026 3mo ago
Last Modified Jun 17, 2026 2w ago

Description

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

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
12.0% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-835

Affected Products 1

VendorProductVersionRange
libexpat_projectlibexpat* <2.7.5

References 4

  • github.com https://github.com/libexpat/libexpat/issues/1161
    ExploitIssue TrackingVendor Advisory
  • github.com https://github.com/libexpat/libexpat/pull/1159
    Issue TrackingPatch
  • github.com https://github.com/libexpat/libexpat/pull/1162
    Issue TrackingPatch
  • issues.oss-fuzz.com https://issues.oss-fuzz.com/issues/486993411
    Permissions Required

Remediation

  • github.com https://github.com/libexpat/libexpat/pull/1159
    Issue TrackingPatch
  • github.com https://github.com/libexpat/libexpat/pull/1162
    Issue TrackingPatch