CVE-2025-58369

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{"affected": [{"affectedData": [{"product": "fs2", "vendor": "typelevel", "versions": [{"status": "affected", "version": ">= 3.0.0-M1, < 3.12.2"}, {"status": "affected", "version": ">= 3.13.0-M1, < 3.13.0-M7"}, {"status": "affected", "version": "< 2.5.13"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "fs2 is a compositional, streaming I/O library for Scala. Versions up to and including 2.5.12, 3.0.0-M1 through 3.12.2, and 3.13.0-M1 through 3.13.0-M6 are vulnerable to denial of service attacks though TLS sessions using fs2-io on the JVM using the fs2.io.net.tls package. When establishing a TLS session, if one side of the connection shuts down `write` while the peer side is awaiting more data to progress the TLS handshake, the peer side will spin loop on the socket read, fully utilizing a CPU. The CPU is consumed until the overall connection is closed, potentially shutting down a fs2-io powered server. This issue is fixed in versions 2.5.13, 3.12.1, and 3.13.0-M7."}, {"lang": "es", "value": "fs2 es una biblioteca de E/S composicional y de streaming para Scala. Las versiones hasta la 2.5.12 inclusive, de la 3.0.0-M1 a la 3.12.2, y de la 3.13.0-M1 a la 3.13.0-M6 son vulnerables a ataques de denegaci\u00f3n de servicio a trav\u00e9s de sesiones TLS usando fs2-io en la JVM utilizando el paquete fs2.io.net.tls. Al establecer una sesi\u00f3n TLS, si un lado de la conexi\u00f3n cierra la 'escritura' mientras el lado par est\u00e1 esperando m\u00e1s datos para avanzar el handshake TLS, el lado par entrar\u00e1 en un bucle de espera activa en la lectura del socket, utilizando completamente una CPU. La CPU es consumida hasta que la conexi\u00f3n general se cierra, potencialmente apagando un servidor impulsado por fs2-io. Este problema est\u00e1 solucionado en las versiones 2.5.13, 3.12.1 y 3.13.0-M7."}], "id": "CVE-2025-58369", "lastModified": "2026-10-01T16:10:00.257", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-58369", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-09-08T20:09:25.588603Z", "version": "2.0.3"}}]}, "published": "2025-09-05T22:15:34.883", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/typelevel/fs2/commit/46e2dc3abf994dcf3d0b804b2ddb3c10c04d4976"}, {"source": "security-advisories@github.com", "url": "https://github.com/typelevel/fs2/commit/5c6c4c6c1ef330f7e6b53661ecc63d5f5ba8885c"}, {"source": "security-advisories@github.com", "url": "https://github.com/typelevel/fs2/commit/edf0c4f2e660360d1c1a8c5377ce32294de89238"}, {"source": "security-advisories@github.com", "url": "https://github.com/typelevel/fs2/issues/3590"}, {"source": "security-advisories@github.com", "url": "https://github.com/typelevel/fs2/releases/tag/v3.12.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/typelevel/fs2/releases/tag/v3.13.0-M7"}, {"source": "security-advisories@github.com", "url": "https://github.com/typelevel/fs2/security/advisories/GHSA-rrw2-px9j-qffj"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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{"created": "2025-09-07T15:24:59.709388+00:00", "updated": "2025-09-07T15:24:59.709443+00:00", "vendors": ["typelevel", "typelevel$PRODUCT$fs2"]}