CVE-2025-15468

{"id": "CVE-2025-15468", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-15468", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-29T14:52:10.289567Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "affected": [{"source": "openssl-security@openssl.org", "affectedData": [{"vendor": "OpenSSL", "product": "OpenSSL", "versions": [{"status": "affected", "version": "3.6.0", "lessThan": "3.6.1", "versionType": "semver"}, {"status": "affected", "version": "3.5.0", "lessThan": "3.5.5", "versionType": "semver"}, {"status": "affected", "version": "3.4.0", "lessThan": "3.4.4", "versionType": "semver"}, {"status": "affected", "version": "3.3.0", "lessThan": "3.3.6", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-01-27T16:16:14.400", "references": [{"url": "https://github.com/openssl/openssl/commit/1f08e54bad32843044fe8a675948d65e3b4ece65", "tags": ["Patch"], "source": "openssl-security@openssl.org"}, {"url": "https://github.com/openssl/openssl/commit/7c88376731c589ee5b36116c5a6e32d5ae5f7ae2", "tags": ["Patch"], "source": "openssl-security@openssl.org"}, {"url": "https://github.com/openssl/openssl/commit/b2539639400288a4580fe2d76247541b976bade4", "tags": ["Patch"], "source": "openssl-security@openssl.org"}, {"url": "https://github.com/openssl/openssl/commit/d75b309879631d45b972396ce4e5102559c64ac7", "tags": ["Patch"], "source": "openssl-security@openssl.org"}, {"url": "https://openssl-library.org/news/secadv/20260127.txt", "tags": ["Vendor Advisory"], "source": "openssl-security@openssl.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "openssl-security@openssl.org", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"lang": "en", "value": "Issue summary: If an application using the SSL_CIPHER_find() function in\na QUIC protocol client or server receives an unknown cipher suite from\nthe peer, a NULL dereference occurs.\n\nImpact summary: A NULL pointer dereference leads to abnormal termination of\nthe running process causing Denial of Service.\n\nSome applications call SSL_CIPHER_find() from the client_hello_cb callback\non the cipher ID received from the peer. If this is done with an SSL object\nimplementing the QUIC protocol, NULL pointer dereference will happen if\nthe examined cipher ID is unknown or unsupported.\n\nAs it is not very common to call this function in applications using the QUIC \nprotocol and the worst outcome is Denial of Service, the issue was assessed\nas Low severity.\n\nThe vulnerable code was introduced in the 3.2 version with the addition\nof the QUIC protocol support.\n\nThe FIPS modules in 3.6, 3.5, 3.4 and 3.3 are not affected by this issue,\nas the QUIC implementation is outside the OpenSSL FIPS module boundary.\n\nOpenSSL 3.6, 3.5, 3.4 and 3.3 are vulnerable to this issue.\n\nOpenSSL 3.0, 1.1.1 and 1.0.2 are not affected by this issue."}, {"lang": "es", "value": "Resumen del problema: Si una aplicaci\u00f3n que utiliza la funci\u00f3n SSL_CIPHER_find() en un cliente o servidor del protocolo QUIC recibe un conjunto de cifrado desconocido del par, ocurre una desreferencia de NULL.\n\nResumen del impacto: Una desreferencia de puntero NULL conduce a la terminaci\u00f3n anormal del proceso en ejecuci\u00f3n causando Denegaci\u00f3n de Servicio.\n\nAlgunas aplicaciones llaman a SSL_CIPHER_find() desde la devoluci\u00f3n de llamada client_hello_cb en el ID de cifrado recibido del par. Si esto se hace con un objeto SSL que implementa el protocolo QUIC, ocurrir\u00e1 una desreferencia de puntero NULL si el ID de cifrado examinado es desconocido o no compatible.\n\nComo no es muy com\u00fan llamar a esta funci\u00f3n en aplicaciones que utilizan el protocolo QUIC y el peor resultado es Denegaci\u00f3n de Servicio, el problema fue evaluado como de baja severidad.\n\nEl c\u00f3digo vulnerable fue introducido en la versi\u00f3n 3.2 con la adici\u00f3n del soporte para el protocolo QUIC.\n\nLos m\u00f3dulos FIPS en 3.6, 3.5, 3.4 y 3.3 no se ven afectados por este problema, ya que la implementaci\u00f3n de QUIC est\u00e1 fuera del l\u00edmite del m\u00f3dulo FIPS de OpenSSL.\n\nOpenSSL 3.6, 3.5, 3.4 y 3.3 son vulnerables a este problema.\n\nOpenSSL 3.0, 1.1.1 y 1.0.2 no se ven afectados por este problema."}], "lastModified": "2026-06-17T08:37:50.723", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F5292E9E-6B50-409F-9219-7B0A04047AD8", "versionEndExcluding": "3.3.6", "versionStartIncluding": "3.3.0"}, {"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B9D3DCAE-317D-4DFB-93F0-7A235A229619", "versionEndExcluding": "3.4.4", "versionStartIncluding": "3.4.0"}, {"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1CAC7CBE-EC03-4089-938A-0CEEB2E09B62", "versionEndExcluding": "3.5.5", "versionStartIncluding": "3.5.0"}, {"criteria": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "68352537-5E99-4F4D-B78A-BCF0353A70A5", "versionEndExcluding": "3.6.1", "versionStartIncluding": "3.6.0"}], "operator": "OR"}]}], "sourceIdentifier": "openssl-security@openssl.org"}