High severityNVD Advisory· Published Jan 3, 2024· Updated Nov 28, 2025
Denial of service in CBOR library
CVE-2024-21909
Description
PeterO.Cbor versions 4.0.0 through 4.5.0 are vulnerable to a denial of service vulnerability. An attacker may trigger the denial of service condition by providing crafted data to the DecodeFromBytes or other decoding mechanisms in PeterO.Cbor. Depending on the usage of the library, an unauthenticated and remote attacker may be able to cause the denial of service condition.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
PeterO.CborNuGet | >= 4.0.0, < 4.5.1 | 4.5.1 |
Affected products
1Patches
Vulnerability mechanics
References
5- github.com/peteroupc/CBOR/commit/b4117dbbb4cd5a4a963f9d0c9aa132f033e15b95ghsapatchWEB
- github.com/advisories/GHSA-6r92-cgxc-r5fgghsathird-party-advisoryADVISORY
- github.com/peteroupc/CBOR/security/advisories/GHSA-6r92-cgxc-r5fgghsavendor-advisoryWEB
- vulncheck.com/advisories/vc-advisory-GHSA-6r92-cgxc-r5fgmitrethird-party-advisory
- github.com/peteroupc/CBOR/compare/v4.5...v4.5.1ghsarelatedWEB
News mentions
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