{"schema_version":"1.9.0","id":"CVE-2024-45491","published":"2024-08-30T00:00:00Z","modified":"2026-08-12T03:51:10.829053125Z","related":["ALSA-2024:6754","ALSA-2024:6989","ALSA-2024:8859","CGA-xw4h-8q8h-xq9w","SUSE-SU-2024:3182-1","SUSE-SU-2024:3216-1","SUSE-SU-2024:3515-1","SUSE-SU-2024:3538-1","SUSE-SU-2024:3554-1","SUSE-SU-2025:20045-1","SUSE-SU-2025:20207-1","SUSE-SU-2025:20311-1","SUSE-SU-2025:4512-1","SUSE-SU-2026:0044-1","openSUSE-SU-2024:14322-1","openSUSE-SU-2024:14328-1","openSUSE-SU-2024:14379-1","openSUSE-SU-2024:14380-1","openSUSE-SU-2024:14381-1"],"details":"An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX).","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/libexpat/libexpat","events":[{"introduced":"0"},{"fixed":"88b3ed553d8ad335559254863a33360d55b9f1d6"}],"database_specific":{"cpe":"cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.6.3"}],"source":["DESCRIPTION","CPE_RANGE"]}}],"versions":["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-2024-45491.json"}}],"references":[{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"},{"type":"WEB","url":"https://cert-portal.siemens.com/productcert/html/ssa-613116.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00036.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45491.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-45491"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20241018-0003/"},{"type":"REPORT","url":"https://github.com/libexpat/libexpat/issues/888"},{"type":"FIX","url":"https://github.com/libexpat/libexpat/pull/891"}],"database_specific":{"cna_assigner":"mitre","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/45xxx/CVE-2024-45491.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"}]}