{"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":"2026-08-12T03:51:32.658760826Z","published":"2025-11-28T00:00:00Z","related":["openSUSE-SU-2026:10087-1"],"database_specific":{"cna_assigner":"mitre","cwe_ids":["CWE-407"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66382.json"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2025/12/02/1"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-253495.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66382.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-66382"},{"type":"REPORT","url":"https://github.com/libexpat/libexpat/issues/1076"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libexpat/libexpat","events":[{"introduced":"0"},{"last_affected":"f31adfd584b7f6c50bbf4d22eb928538ffc9145a"}],"database_specific":{"cpe":"cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"2.7.5"},{"last_affected":"2.7.3"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["R_2_7_5","R_2_7_4","R_2_7_3","R_2_7_2","R_2_7_1","R_2_7_0","R_2_6_4","R_2_6_3","R_2_6_2","R_2_6_1","R_2_6_0","R_2_5_0","R_2_4_9","R_2_4_8","R_2_4_7","R_2_4_6","R_2_4_5","R_2_4_4","R_2_4_3","R_2_4_2","R_2_4_1","R_2_4_0","R_2_3_0","R_2_2_10","R_2_2_9","R_2_2_8","R_2_2_7","R_2_2_6","R_2_2_5","R_2_2_4","R_2_2_3","R_2_2_2","R_2_2_1","R_2_2_0","R_2_1_1","R_2_1_0","R_2_0_1","R_2_0_0","R_1_95_8","R_1_95_7","R_1_95_6","R_1_95_5","R_1_95_4","R_1_95_3","R_1_95_2","R_1_95_0","libexpat-alpha-1","start","sourceforge_init","jclark-orig","V20000512","V19991013","V19990728","V19990709","V19990626","V1_1","V19990425","V1990307","V19990109","V19981231","V19981122","V1_0","beta4","beta3","beta2","REC1_0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-66382.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}