HIGH 8.7 NVD
CVE-2020-37280
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.
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.
References
- https://github.com/PelionIoT/cbor-sync
- https://github.com/PelionIoT/cbor-sync/issues/6
- https://github.com/PelionIoT/cbor-sync/pull/4
- https://www.vulncheck.com/advisories/cbor-sync-through-1.0.4-memory-exhaustion-via-uncheck
This high severity vulnerability with a CVSS score of 8.7 was published on 2026-10-12 via NVD.
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