CVE-2026-0967

{"id": "CVE-2026-0967", "cveTags": [], "metrics": {"cvssMetricV30": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 2.2, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 0.8}]}, "published": "2026-03-26T21:17:00.970", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-0967", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2436981", "source": "secalert@redhat.com"}, {"url": "https://www.libssh.org/2026/02/10/libssh-0-12-0-and-0-11-4-security-releases/", "source": "secalert@redhat.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-1333"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in libssh. A remote attacker, by controlling client configuration files or known_hosts files, could craft specific hostnames that when processed by the `match_pattern()` function can lead to inefficient regular expression backtracking. This can cause timeouts and resource exhaustion, resulting in a Denial of Service (DoS) for the client."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en libssh. Un atacante remoto, al controlar los archivos de configuraci\u00f3n del cliente o los archivos known_hosts, podr\u00eda crear nombres de host espec\u00edficos que, al ser procesados por la funci\u00f3n `match_pattern()`, pueden llevar a un retroceso ineficiente de expresiones regulares. Esto puede causar tiempos de espera y agotamiento de recursos, lo que resulta en una denegaci\u00f3n de servicio (DoS) para el cliente."}], "lastModified": "2026-03-30T13:26:50.827", "sourceIdentifier": "secalert@redhat.com"}