{"id":"CVE-2023-52425","details":"libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.","modified":"2026-03-20T12:32:29.157492Z","published":"2024-02-04T20:15:46.063Z","related":["ALSA-2024:1530","ALSA-2024:1615","ALSA-2024:4259","MGASA-2024-0072","SUSE-SU-2024:1009-1","SUSE-SU-2024:1129-1","SUSE-SU-2024:1129-2","SUSE-SU-2024:1162-1","SUSE-SU-2024:1556-1","SUSE-SU-2024:1657-1","SUSE-SU-2024:1667-1","SUSE-SU-2024:1698-1","SUSE-SU-2024:1774-1","SUSE-SU-2024:1847-1","SUSE-SU-2024:1862-1","SUSE-SU-2024:2479-1","SUSE-SU-2024:3004-1","SUSE-SU-2025:20025-1","SUSE-SU-2025:20154-1","SUSE-SU-2025:20207-1","SUSE-SU-2025:20311-1","SUSE-SU-2025:20374-1","openSUSE-SU-2024:13695-1","openSUSE-SU-2024:13790-1","openSUSE-SU-2024:13799-1","openSUSE-SU-2024:13800-1","openSUSE-SU-2024:13883-1","openSUSE-SU-2024:13892-1","openSUSE-SU-2024:13955-1","openSUSE-SU-2024:14109-1","openSUSE-SU-2024:14434-1","openSUSE-SU-2025:15212-1","openSUSE-SU-2025:15713-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00036.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2024/03/20/5"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00006.html"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNUBSGZFEZOBHJFTAD42SAN4ATW2VEMV/"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20240614-0003/"},{"type":"EVIDENCE","url":"https://github.com/libexpat/libexpat/pull/789"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libexpat/libexpat","events":[{"introduced":"0"},{"last_affected":"654d2de0da85662fcc7644a7acd7c2dd2cfb21f0"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"2.5.0"}]}}],"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","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-2023-52425.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"}]}