{"id":"CVE-2025-59375","details":"libexpat in Expat before 2.7.2 allows attackers to trigger large dynamic memory allocations via a small document that is submitted for parsing.","modified":"2026-04-21T18:42:02.758055292Z","published":"2025-09-15T03:15:40.920Z","related":["ALSA-2025:19403","ALSA-2025:21030","ALSA-2025:21776","ALSA-2025:21974","ALSA-2025:22175","ALSA-2026:3407","SUSE-SU-2025:03508-1","SUSE-SU-2025:03536-1","SUSE-SU-2025:03537-1","SUSE-SU-2025:03624-1","SUSE-SU-2025:20868-1","SUSE-SU-2025:20895-1","SUSE-SU-2025:21006-1","SUSE-SU-2025:21028-1","SUSE-SU-2026:1126-1","SUSE-SU-2026:1127-1","SUSE-SU-2026:1163-1","SUSE-SU-2026:20978-1","openSUSE-SU-2025:15573-1","openSUSE-SU-2025:20055-1","openSUSE-SU-2026:10413-1","openSUSE-SU-2026:10447-1","openSUSE-SU-2026:10458-1","openSUSE-SU-2026:20439-1"],"references":[{"type":"WEB","url":"https://github.com/libexpat/libexpat/blob/676a4c531ec768732fac215da9730b5f50fbd2bf/expat/Changes#L45-L74"},{"type":"WEB","url":"https://github.com/libexpat/libexpat/blob/R_2_7_2/expat/Changes"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/09/16/2"},{"type":"REPORT","url":"https://github.com/libexpat/libexpat/issues/1018"},{"type":"REPORT","url":"https://github.com/libexpat/libexpat/pull/1034"},{"type":"REPORT","url":"https://issues.oss-fuzz.com/issues/439133977"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libexpat/libexpat","events":[{"introduced":"0"},{"fixed":"7643f96bd5b9f5d3b26ea112519e05e17ef91cfb"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"2.7.2"}]}}],"versions":["REC1_0","R_1_95_0","R_1_95_2","R_1_95_3","R_1_95_4","R_1_95_5","R_1_95_6","R_1_95_7","R_1_95_8","R_2_0_0","R_2_0_1","R_2_1_0","R_2_1_1","R_2_2_0","R_2_2_1","R_2_2_10","R_2_2_2","R_2_2_3","R_2_2_4","R_2_2_5","R_2_2_6","R_2_2_7","R_2_2_8","R_2_2_9","R_2_3_0","R_2_4_0","R_2_4_1","R_2_4_2","R_2_4_3","R_2_4_4","R_2_4_5","R_2_4_6","R_2_4_7","R_2_4_8","R_2_4_9","R_2_5_0","R_2_6_0","R_2_6_1","R_2_6_2","R_2_6_3","R_2_6_4","R_2_7_0","R_2_7_1","V1990307","V19981122","V19981231","V19990109","V19990425","V19990626","V19990709","V19990728","V19991013","V1_0","V1_1","V20000512","beta2","beta3","beta4","jclark-orig","libexpat-alpha-1","sourceforge_init","start"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-59375.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}