{"id":"CVE-2024-23684","title":"Inefficient algorithmic complexity in DecodeFromBytes function in com.upokecenter.cbor Java implementation of Concise Binary Object Representation (CBOR) versions 4.0.0 to 4.5.1 allows an attacker to cause a denial of service by passing …","summary":"Inefficient algorithmic complexity in DecodeFromBytes function in com.upokecenter.cbor Java implementation of Concise Binary Object Representation (CBOR) versions 4.0.0 to 4.5.1 allows an attacker to cause a denial of service by passing …","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-407","CWE-407"],"vendor":"peteroupc","product":"cbor","affected":["cbor >= 4.0.0, < 4.5.1"],"patched":["cbor 4.5.1"],"published":"2024-01-19","updated":"2026-07-14","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-23684","references":[{"url":"https://github.com/advisories/GHSA-fj2w-wfgv-mwq6","label":"disclosure@vulncheck.com"},{"url":"https://github.com/peteroupc/CBOR-Java/security/advisories/GHSA-fj2w-wfgv-mwq6","label":"disclosure@vulncheck.com"},{"url":"https://vulncheck.com/advisories/vc-advisory-GHSA-fj2w-wfgv-mwq6","label":"disclosure@vulncheck.com"},{"url":"https://github.com/advisories/GHSA-fj2w-wfgv-mwq6","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/peteroupc/CBOR-Java/security/advisories/GHSA-fj2w-wfgv-mwq6","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://vulncheck.com/advisories/vc-advisory-GHSA-fj2w-wfgv-mwq6","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.0092,"epssPercentile":0.58798,"ingestedAt":"2026-07-14T23:40:04.926Z","slug":"CVE-2024-23684","body":"## Overview\n\nInefficient algorithmic complexity in DecodeFromBytes function in com.upokecenter.cbor Java implementation of Concise Binary Object Representation (CBOR) versions 4.0.0 to 4.5.1 allows an attacker to cause a denial of service by passing a maliciously crafted input. Depending on an application's use of this library, this may be a remote attacker.\n\n## Affected\n\n- `cbor >= 4.0.0, < 4.5.1`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `cbor 4.5.1`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}