CVE-2024-56522

{"id": "CVE-2024-56522", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2024-12-27T05:15:08.130", "references": [{"url": "https://github.com/tecnickcom/TCPDF/commit/d54b97cec33f4f1a5ad81119a82085cad93cec89", "tags": ["Patch"], "source": "[email protected]"}, {"url": "https://github.com/tecnickcom/TCPDF/compare/6.7.8...6.8.0", "tags": ["Issue Tracking"], "source": "[email protected]"}, {"url": "https://tcpdf.org", "tags": ["Product"], "source": "[email protected]"}, {"url": "https://www.php.net/manual/en/types.comparisons.php", "tags": ["Not Applicable"], "source": "[email protected]"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00004.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-843"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in TCPDF before 6.8.0. unserializeTCPDFtag uses != (aka loose comparison) and does not use a constant-time function to compare TCPDF tag hashes."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en TCPDF antes de 6.8.0. unserializeTCPDFtag usa != (tambi\u00e9n conocido como comparaci\u00f3n flexible) y no usa una funci\u00f3n de tiempo constante para comparar hashes de etiquetas TCPDF."}], "lastModified": "2025-11-03T20:16:53.093", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tcpdf_project:tcpdf:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F63E1050-BC4A-4815-B891-AC4671D79E06", "versionEndExcluding": "6.8.0"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}