CVE-2024-56522

{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2024-56522", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-11-03T19:32:21.561Z", "dateReserved": "2024-12-27T00:00:00.000Z", "datePublished": "2024-12-27T00:00:00.000Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "tcpdf", "vendor": "tecnick", "versions": [{"lessThan": "6.8.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-12-27T04:32:00.797Z"}, "references": [{"url": "https://tcpdf.org"}, {"url": "https://github.com/tecnickcom/TCPDF/compare/6.7.8...6.8.0"}, {"url": "https://github.com/tecnickcom/TCPDF/commit/d54b97cec33f4f1a5ad81119a82085cad93cec89"}, {"url": "https://www.php.net/manual/en/types.comparisons.php"}], "x_generator": {"engine": "enrichogram 0.0.1"}, "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:tecnick:tcpdf:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.8.0"}]}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-843", "lang": "en", "description": "CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')"}]}], "metrics": [{"cvssV3_1": {"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"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-12-30T15:54:25.367571Z", "id": "CVE-2024-56522", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-12-30T15:54:30.643Z"}}, {"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00004.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T19:32:21.561Z"}}]}, "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"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"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2024-56522", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-12-30T15:54:25.367571Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-843", "description": "CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-12-30T15:48:35.679Z"}}], "cna": {"affected": [{"vendor": "tecnick", "product": "tcpdf", "versions": [{"status": "affected", "version": "0", "lessThan": "6.8.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://tcpdf.org"}, {"url": "https://github.com/tecnickcom/TCPDF/compare/6.7.8...6.8.0"}, {"url": "https://github.com/tecnickcom/TCPDF/commit/d54b97cec33f4f1a5ad81119a82085cad93cec89"}, {"url": "https://www.php.net/manual/en/types.comparisons.php"}], "x_generator": {"engine": "enrichogram 0.0.1"}, "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "n/a"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tecnick:tcpdf:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.8.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-12-27T04:32:00.797Z"}}}, "cveMetadata": {"cveId": "CVE-2024-56522", "state": "PUBLISHED", "dateUpdated": "2024-12-30T15:54:30.643Z", "dateReserved": "2024-12-27T00:00:00", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2024-12-27T00:00:00", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "tcpdf", "vendor": "tecnick", "versions": [{"lessThan": "6.8.0", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:tcpdf_project:tcpdf:*:*:*:*:*:*:*:*", "matchCriteriaId": "F63E1050-BC4A-4815-B891-AC4671D79E06", "versionEndExcluding": "6.8.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2024-56522", "lastModified": "2026-06-17T08:12:17.787", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-56522", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-12-30T15:54:25.367571Z", "version": "2.0.3"}}]}, "published": "2024-12-27T05:15:08.130", "references": [{"source": "cve@mitre.org", "tags": ["Patch"], "url": "https://github.com/tecnickcom/TCPDF/commit/d54b97cec33f4f1a5ad81119a82085cad93cec89"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking"], "url": "https://github.com/tecnickcom/TCPDF/compare/6.7.8...6.8.0"}, {"source": "cve@mitre.org", "tags": ["Product"], "url": "https://tcpdf.org"}, {"source": "cve@mitre.org", "tags": ["Not Applicable"], "url": "https://www.php.net/manual/en/types.comparisons.php"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00004.html"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-843"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{}