๐Ÿ” CVE Alert

CVE-2025-59375

HIGH 7.5
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th

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

CWE CWE-770
Vendor libexpat project
Product libexpat
Published Sep 15, 2025
Last Updated May 1, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:H/RL:T/RC:C
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

libexpat project / libexpat
0 < 2.7.2

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/libexpat/libexpat/issues/1018 github.com: https://github.com/libexpat/libexpat/pull/1034 github.com: https://github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2bf/expat/Changes#L45-L74 issues.oss-fuzz.com: https://issues.oss-fuzz.com/issues/439133977 github.com: https://github.com/libexpat/libexpat/blob/R_2_7_2/expat/Changes 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