CVE-2025-59375

7.5 HIGH
Published: September 15, 2025 Modified: November 04, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2bf/expat/Changes#L45-L74
Source: cve@mitre.org
Product
https://github.com/libexpat/libexpat/blob/R_2_7_2/expat/Changes
Source: cve@mitre.org
Product
https://github.com/libexpat/libexpat/issues/1018
Source: cve@mitre.org
Exploit Issue Tracking
https://github.com/libexpat/libexpat/pull/1034
Source: cve@mitre.org
Issue Tracking
https://issues.oss-fuzz.com/issues/439133977
Source: cve@mitre.org
Exploit Issue Tracking
http://www.openwall.com/lists/oss-security/2025/09/16/2
Source: af854a3a-2127-422b-91ae-364da2661108

6 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.1%
33th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-770

Affected Vendors

libexpat_project

Related CVEs

CVE-2025-69261 N/A
CVE-2025-69257 6.7
CVE-2025-69210 N/A
CVE-2025-66823 N/A
CVE-2025-50343 N/A