{"cve":{"cve_id":"CVE-2024-26134","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.01167,"epss_percentile":0.6326,"epss_as_of":"2026-06-23","description":"cbor2 provides encoding and decoding for the Concise Binary Object Representation (CBOR) (RFC 8949) serialization format. Starting in version 5.5.1 and prior to version 5.6.2, an attacker can crash a service using cbor2 to parse a CBOR binary by sending a long enough object. Version 5.6.2 contains a patch for this issue.","published_at":"2024-02-19T22:13:47.173000Z","last_modified_at":null,"cvss_v3_score":7.5,"cvss_v3_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvss_v3_severity":"HIGH","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":"poc","ssvc_automatable":true,"ssvc_technical_impact":"partial","cwes":["CWE-120"],"nvd_references":["https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m","https://github.com/agronholm/cbor2/pull/204","https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542","https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df","https://github.com/agronholm/cbor2/releases/tag/5.6.2","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-29T01:54:25.093190Z"},"effective_severity":"HIGH","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"N","value_label":"None"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"N","value_label":"None"},{"metric":"I","name":"Integrity","value":"N","value_label":"None"},{"metric":"A","name":"Availability","value":"H","value_label":"High"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"agronholm","vendor_name":"agronholm","product_slug":"cbor2","product_name":"cbor2","version_start":">= 5.5.1, < 5.6.2","version_start_inclusive":true,"version_end":">= 5.5.1, < 5.6.2","version_end_inclusive":true,"cpe23_uri":"cve5:agronholm:cbor2:>= 5.5.1, < 5.6.2:>= 5.5.1, < 5.6.2"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/agronholm/cbor2/security/advisories/GHSA-375g-39jq-vq7m","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/agronholm/cbor2/pull/204","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/agronholm/cbor2/commit/387755eacf0be35591a478d3c67fe10618a6d542","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/agronholm/cbor2/commit/4de6991ba29bf2290d7b9d83525eda7d021873df","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/agronholm/cbor2/releases/tag/5.6.2","source_type":"PATCH","tags":["patch"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GX524ZG2XJWFV37UQKQ4LWIH4UICSGEQ/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BT42VXZMMMCSSHMA65KKPOZCXJEYHNR5/","source_type":"MAILING_LIST","tags":["mailing-list"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PWC3VU6YV6EXKCSX5GTKWLBZIDIJNQJY/","source_type":"MAILING_LIST","tags":["mailing-list"]}],"timeline":[{"type":"published","at":"2024-02-19T22:13:47.173000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:34:28.673954Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:34:28.673954Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:34:28.673954Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"ssvc_changed","at":"2026-06-29T01:54:25.093190Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:54:25.093190Z","label":"SSVC decision revised","source":"vulnrichment"},{"type":"ssvc_changed","at":"2026-06-29T01:54:25.093190Z","label":"SSVC decision revised","source":"vulnrichment"}]}