CVE-2025-65637

{"id": "CVE-2025-65637", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-65637", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-12-05T21:52:30.561592Z"}}], "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:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}]}], "published": "2025-12-04T19:16:05.223", "references": [{"url": "https://github.com/mjuanxd/logrus-dos-poc", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/mjuanxd/logrus-dos-poc/blob/main/README.md", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/sirupsen/logrus/issues/1370", "tags": ["Exploit", "Issue Tracking", "Patch"], "source": "cve@mitre.org"}, {"url": "https://github.com/sirupsen/logrus/pull/1376", "tags": ["Issue Tracking", "Patch"], "source": "cve@mitre.org"}, {"url": "https://github.com/sirupsen/logrus/releases/tag/v1.8.3", "tags": ["Release Notes"], "source": "cve@mitre.org"}, {"url": "https://github.com/sirupsen/logrus/releases/tag/v1.9.1", "tags": ["Release Notes"], "source": "cve@mitre.org"}, {"url": "https://github.com/sirupsen/logrus/releases/tag/v1.9.3", "tags": ["Release Notes"], "source": "cve@mitre.org"}, {"url": "https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSIRUPSENLOGRUS-5564391", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "A denial-of-service vulnerability exists in github.com/sirupsen/logrus when using Entry.Writer() to log a single-line payload larger than 64KB without newline characters. Due to limitations in the internal bufio.Scanner, the read fails with \"token too long\" and the writer pipe is closed, leaving Writer() unusable and causing application unavailability (DoS). This affects versions < 1.8.3, 1.9.0, and 1.9.2. The issue is fixed in 1.8.3, 1.9.1, and 1.9.3+, where the input is chunked and the writer continues to function even if an error is logged."}, {"lang": "es", "value": "Una vulnerabilidad de denegaci\u00f3n de servicio existe en github.com/sirupsen/logrus al usar Entry.Writer() para registrar una carga \u00fatil de una sola l\u00ednea mayor de 64KB sin caracteres de nueva l\u00ednea. Debido a limitaciones en el bufio.Scanner interno, la lectura falla con \u2019token too long\u2019 y la tuber\u00eda del escritor se cierra, dejando a Writer() inutilizable y causando indisponibilidad de la aplicaci\u00f3n (DoS). Esto afecta a las versiones < 1.8.3, 1.9.0 y 1.9.2. El problema se corrige en 1.8.3, 1.9.1 y 1.9.3+, donde la entrada se divide en fragmentos y el escritor sigue funcionando incluso si se registra un error."}], "lastModified": "2026-11-04T22:10:00.210", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:turbopuffer:logrus:*:*:*:*:*:go:*:*", "vulnerable": true, "matchCriteriaId": "B302F48C-A8EA-4FAB-B151-F8492365896C", "versionEndExcluding": "1.8.3"}, {"criteria": "cpe:2.3:a:turbopuffer:logrus:1.9.0:*:*:*:*:go:*:*", "vulnerable": true, "matchCriteriaId": "25373732-88E0-4824-B243-9C1E82608B1C"}, {"criteria": "cpe:2.3:a:turbopuffer:logrus:1.9.2:*:*:*:*:go:*:*", "vulnerable": true, "matchCriteriaId": "E59CDE4C-3669-4EA6-AA2D-9BE99FDEC497"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}