{"id":"CVE-2021-45293","details":"A Denial of Service vulnerability exists in Binaryen 103 due to an Invalid memory address dereference in wasm::WasmBinaryBuilder::visitLet.","modified":"2026-07-08T06:00:05.547822848Z","published":"2021-12-21T18:15:08.333Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"introduced":"34"},{"last_affected":"34"},{"introduced":"35"},{"last_affected":"35"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"]}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UKGCHPS7UAIOOBGSXDJAUFE5CROTTF6J/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YCWLB4PWYQO55F7IGNC7KUYN2MFZE3JP/"},{"type":"FIX","url":"https://github.com/WebAssembly/binaryen/issues/4384"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/webassembly/binaryen","events":[{"introduced":"98b1ff3f7ba752dcb0d7b435a97697108c5fe2e9"},{"last_affected":"98b1ff3f7ba752dcb0d7b435a97697108c5fe2e9"}],"database_specific":{"extracted_events":[{"introduced":"103"},{"last_affected":"103"}],"source":"CPE_STRING","cpe":"cpe:2.3:a:webassembly:binaryen:103:*:*:*:*:*:*:*"}}],"versions":["103","version_103"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-45293.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"}]}