{"cve":"CVE-2024-21909","nvd":{"published":"2024-01-03T16:15:09.003","modified":"2026-07-14T23:17:14.283","status":"Modified","description":"PeterO.Cbor versions 4.0.0 through 4.5.0 are vulnerable to a denial of \nservice vulnerability. An attacker may trigger the denial of service \ncondition by providing crafted data to the DecodeFromBytes or other \ndecoding mechanisms in PeterO.Cbor. Depending on the usage of the \nlibrary, an unauthenticated and remote attacker may be able to cause the\n denial of service condition.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-407"],"references":["https://github.com/advisories/GHSA-6r92-cgxc-r5fg","https://github.com/peteroupc/CBOR/commit/b4117dbbb4cd5a4a963f9d0c9aa132f033e15b95","https://github.com/peteroupc/CBOR/compare/v4.5...v4.5.1","https://github.com/peteroupc/CBOR/security/advisories/GHSA-6r92-cgxc-r5fg","https://vulncheck.com/advisories/vc-advisory-GHSA-6r92-cgxc-r5fg"],"products":["peteroupc:cbor"],"source":"nvd","synced_at":"2026-10-19T21:43:38.875533635+00:00"},"epss":{"cve":"CVE-2024-21909","score":0.01061,"percentile":0.64593,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}