{"id":"CVE-2025-66382","details":"In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.","modified":"2026-04-10T05:34:18.763067Z","published":"2025-11-28T07:15:57.900Z","related":["openSUSE-SU-2026:10087-1"],"references":[{"type":"REPORT","url":"https://github.com/libexpat/libexpat/issues/1076"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2025/12/02/1"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libexpat/libexpat","events":[{"introduced":"0"},{"last_affected":"4575e52f83e0d6d7bd24939eab8952bbc7bc358f"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"2.7.3"}]}}],"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","R_2_7_2","R_2_7_3","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/cve-osv-conversion/osv-output/CVE-2025-66382.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}