{"id":"CVE-2021-45960","details":"In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).","modified":"2026-05-15T12:03:18.377232108Z","published":"2022-01-01T19:15:08.030Z","related":["ALSA-2022:0951","SUSE-SU-2022:0178-1","SUSE-SU-2022:0179-1","SUSE-SU-2022:14878-1","openSUSE-SU-2022:0178-1","openSUSE-SU-2024:11762-1"],"database_specific":{"unresolved_ranges":[{"extracted_events":[{"last_affected":"10.0"},{"last_affected":"11.0"}],"cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"],"vendor_product":"debian:debian_linux","source":"CPE_FIELD"},{"extracted_events":[{"last_affected":"h610c"},{"last_affected":"h610s"},{"last_affected":"h615c"}],"cpes":["cpe:2.3:a:netapp:hci_baseboard_management_controller:h610c:*:*:*:*:*:*:*","cpe:2.3:a:netapp:hci_baseboard_management_controller:h610s:*:*:*:*:*:*:*","cpe:2.3:a:netapp:hci_baseboard_management_controller:h615c:*:*:*:*:*:*:*"],"vendor_product":"netapp:hci_baseboard_management_controller","source":"CPE_FIELD"},{"cpes":["cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:*"],"extracted_events":[{"fixed":"3.1"}],"vendor_product":"siemens:sinema_remote_connect_server","source":"CPE_FIELD"},{"extracted_events":[{"fixed":"8.15.3"},{"introduced":"10.0.0"},{"fixed":"10.1.1"}],"cpes":["cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*"],"vendor_product":"tenable:nessus","source":"CPE_FIELD"}]},"references":[{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202209-24"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20220121-0004/"},{"type":"ADVISORY","url":"https://www.tenable.com/security/tns-2022-05"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1217609"},{"type":"REPORT","url":"https://www.debian.org/security/2022/dsa-5073"},{"type":"FIX","url":"https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf"},{"type":"FIX","url":"https://github.com/libexpat/libexpat/issues/531"},{"type":"FIX","url":"https://github.com/libexpat/libexpat/pull/534"},{"type":"EVIDENCE","url":"http://www.openwall.com/lists/oss-security/2022/01/17/3"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}