CVE-2025-59375

HIGH EPSS 66.4%
Published Sep 15, 20259mo ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Sep 15, 2025 9mo ago
Last Modified Jun 17, 2026 2w ago

Description

libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
66.4% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-770

Affected Products 1

VendorProductVersionRange
libexpat_projectlibexpat* <2.7.2

References 9

  • openwall.com http://www.openwall.com/lists/oss-security/2025/09/16/2
  • openwall.com http://www.openwall.com/lists/oss-security/2026/05/01/5
  • cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-082556.html
  • cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-089022.html
  • github.com https://github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2bf/expat/Changes#L45-L74
    Product
  • github.com https://github.com/libexpat/libexpat/blob/R_2_7_2/expat/Changes
    Product
  • github.com https://github.com/libexpat/libexpat/issues/1018
    ExploitIssue Tracking
  • github.com https://github.com/libexpat/libexpat/pull/1034
    Issue Tracking
  • issues.oss-fuzz.com https://issues.oss-fuzz.com/issues/439133977
    ExploitIssue Tracking

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.