{"id":"CVE-2025-59375","title":"libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.","summary":"libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.","severity":"high","cvss":7.5,"cvssVector":"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","cvssSource":"cna","cwe":["CWE-770"],"vendor":"libexpat project","product":"libexpat","affected":["libexpat < 2.7.2"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-09-15T20:22:58.509715Z"},"published":"2025-09-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:09:25.199Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-59375","references":[{"url":"https://github.com/libexpat/libexpat/issues/1018"},{"url":"https://github.com/libexpat/libexpat/pull/1034"},{"url":"https://github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2bf/expat/Changes#L45-L74"},{"url":"https://issues.oss-fuzz.com/issues/439133977"},{"url":"https://github.com/libexpat/libexpat/blob/R_2_7_2/expat/Changes"}],"tags":["cve.org"],"epss":0.01315,"epssPercentile":0.70174,"ingestedAt":"2026-10-15T05:52:46.068Z","slug":"CVE-2025-59375","body":"## Overview\n\nlibexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.\n\n## Affected\n\n- `libexpat < 2.7.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}