{"id":"CVE-2020-37280","aliases":[],"url":"https://o3.security/vulnerability/CVE-2020-37280","summary":"cbor-sync through 1.0.4 contains a resource exhaustion vulnerability in CBOR.decode that trusts declared array and map lengths without checking remaining input. Remote attackers can…","details":"cbor-sync through 1.0.4 contains a resource exhaustion vulnerability in CBOR.decode that trusts declared array and map lengths without checking remaining input. Remote attackers can supply a tiny crafted CBOR payload declaring huge lengths to drive billions of iterations, exhausting CPU and process memory.","published":"2026-10-12T21:17:05.733","modified":"2026-10-12T21:17:05.733","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/PelionIoT/cbor-sync/pull/4","label":"PelionIoT/cbor-sync#4"},"references":[{"type":"WEB","url":"https://github.com/PelionIoT/cbor-sync"},{"type":"WEB","url":"https://github.com/PelionIoT/cbor-sync/issues/6"},{"type":"WEB","url":"https://github.com/PelionIoT/cbor-sync/pull/4"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/cbor-sync-through-1.0.4-memory-exhaustion-via-unchecked-cbor-array-lengths"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-10-12T21:17:05.733"}}