CVE-2026-2100

{"id": "CVE-2026-2100", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "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:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2026-03-26T21:17:04.247", "references": [{"url": "https://access.redhat.com/errata/RHSA-2026:18143", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:18599", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:21275", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:22634", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2026:7065", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-2100", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2437308", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://github.com/p11-glue/p11-kit/pull/740", "tags": ["Issue Tracking", "Patch"], "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-824"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in p11-kit. A remote attacker could exploit this vulnerability by calling the C_DeriveKey function on a remote token with specific IBM kyber or IBM btc derive mechanism parameters set to NULL. This could lead to the RPC-client attempting to return an uninitialized value, potentially resulting in a NULL dereference or undefined behavior. This issue may cause an application level denial of service or other unpredictable system states."}, {"lang": "es", "value": "Se encontr\u00f3 una falla en p11-kit. Un atacante remoto podr\u00eda explotar esta vulnerabilidad al llamar a la funci\u00f3n C_DeriveKey en un token remoto con par\u00e1metros espec\u00edficos del mecanismo de derivaci\u00f3n IBM kyber o IBM btc establecidos en NULL. Esto podr\u00eda llevar al cliente RPC intentando devolver un valor no inicializado, resultando potencialmente en una desreferencia NULL o comportamiento indefinido. Este problema puede causar una denegaci\u00f3n de servicio a nivel de aplicaci\u00f3n o a otros estados impredecibles del sistema."}], "lastModified": "2026-06-02T20:16:33.920", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:p11-kit_project:p11-kit:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EC8CB498-F5D5-4AB6-B33E-404C80966280"}, {"criteria": "cpe:2.3:a:redhat:hardened_images:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "87DEB507-5B64-47D7-9A50-3B87FD1E571F"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D65C2163-CFC2-4ABB-8F4E-CB09CEBD006C"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}