CVE-2025-59375

Severity
7.5HIGH
EPSS
0.1%
top 81.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedSep 15
Latest updateFeb 11

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages6 packages

CVEListV5libexpat_project/libexpat< 2.7.2
Debianexpat< 2.7.2-1
Ubuntuexpat< 2.4.7-1ubuntu0.7+5
Debianfirefox-esr< 140.9.0esr-1~deb11u1+3

🔴Vulnerability Details

4
OSV
expat vulnerabilities2026-02-10
GHSA
GHSA-vjqp-pjp6-xcxx: libexpat in Expat before 22025-09-15
OSV
CVE-2025-59375: libexpat in Expat before 22025-09-15
CVEList
CVE-2025-59375: libexpat in Expat before 22025-09-15

📋Vendor Advisories

23
Apple
CVE-2025-59375: macOS Sonoma 14.8.42026-02-11
Apple
CVE-2025-59375: macOS Sequoia 15.7.42026-02-11
Apple
CVE-2025-59375: macOS Tahoe 26.32026-02-11
Apple
CVE-2026-20667: macOS Sonoma 14.8.42026-02-11
Apple
CVE-2025-59375: iOS 26.3 and iPadOS 26.32026-02-11

💬Community

1
Bugzilla
CVE-2025-59375 libexpat before 2.7.2 allows attackers to trigger large dynamic memory allocations via parsing a small document2025-09-15