{"url":"http://public2.vulnerablecode.io/api/packages/533351?format=json","purl":"pkg:nuget/PeterO.Cbor@4.4.0","type":"nuget","namespace":"","name":"PeterO.Cbor","version":"4.4.0","qualifiers":{},"subpath":"","is_vulnerable":true,"next_non_vulnerable_version":"4.5.1","latest_non_vulnerable_version":"4.5.1","affected_by_vulnerabilities":[{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/48645?format=json","vulnerability_id":"VCID-79dm-brxc-3uah","summary":"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.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-21909","reference_id":"","reference_type":"","scores":[{"value":"0.0047","scoring_system":"epss","scoring_elements":"0.65114","published_at":"2026-06-12T12:55:00Z"},{"value":"0.0047","scoring_system":"epss","scoring_elements":"0.65122","published_at":"2026-06-14T12:55:00Z"},{"value":"0.0047","scoring_system":"epss","scoring_elements":"0.65014","published_at":"2026-06-11T12:55:00Z"},{"value":"0.0047","scoring_system":"epss","scoring_elements":"0.65125","published_at":"2026-06-13T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-21909"},{"reference_url":"https://github.com/peteroupc/CBOR","reference_id":"","reference_type":"","scores":[{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/peteroupc/CBOR"},{"reference_url":"https://github.com/peteroupc/CBOR/commit/b4117dbbb4cd5a4a963f9d0c9aa132f033e15b95","reference_id":"b4117dbbb4cd5a4a963f9d0c9aa132f033e15b95","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-09T23:31:17Z/"}],"url":"https://github.com/peteroupc/CBOR/commit/b4117dbbb4cd5a4a963f9d0c9aa132f033e15b95"},{"reference_url":"https://github.com/advisories/GHSA-6r92-cgxc-r5fg","reference_id":"GHSA-6r92-cgxc-r5fg","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-09T23:31:17Z/"}],"url":"https://github.com/advisories/GHSA-6r92-cgxc-r5fg"},{"reference_url":"https://github.com/peteroupc/CBOR/security/advisories/GHSA-6r92-cgxc-r5fg","reference_id":"GHSA-6r92-cgxc-r5fg","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-09T23:31:17Z/"}],"url":"https://github.com/peteroupc/CBOR/security/advisories/GHSA-6r92-cgxc-r5fg"},{"reference_url":"https://github.com/peteroupc/CBOR/compare/v4.5...v4.5.1","reference_id":"v4.5...v4.5.1","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-09T23:31:17Z/"}],"url":"https://github.com/peteroupc/CBOR/compare/v4.5...v4.5.1"},{"reference_url":"https://vulncheck.com/advisories/vc-advisory-GHSA-6r92-cgxc-r5fg","reference_id":"vc-advisory-GHSA-6r92-cgxc-r5fg","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-09T23:31:17Z/"}],"url":"https://vulncheck.com/advisories/vc-advisory-GHSA-6r92-cgxc-r5fg"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/18780?format=json","purl":"pkg:nuget/PeterO.Cbor@4.5.1","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:nuget/PeterO.Cbor@4.5.1"}],"aliases":["CVE-2024-21909","GHSA-6r92-cgxc-r5fg","GMS-2022-45"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-79dm-brxc-3uah"}],"fixing_vulnerabilities":[],"risk_score":"4.0","resource_url":"http://public2.vulnerablecode.io/packages/pkg:nuget/PeterO.Cbor@4.4.0"}