CVE-2025-59375

HIGH | Platform: watchOS | Changelog

CVE Details

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 3.1 Score

Metric	Value
Base Score	7.5 (HIGH)
Vector	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`

Weakness

CWE-770

References

Apple Security Advisory
NVD Entry
https://github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2bf/expat/Changes#L45-L74 (Product)
https://github.com/libexpat/libexpat/blob/R_2_7_2/expat/Changes (Product)
https://github.com/libexpat/libexpat/issues/1018 (Exploit, Issue Tracking)
https://github.com/libexpat/libexpat/pull/1034 (Issue Tracking)
https://issues.oss-fuzz.com/issues/439133977 (Exploit, Issue Tracking)
http://www.openwall.com/lists/oss-security/2025/09/16/2