CVE-2026-4897

{"id": "CVE-2026-4897", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2026-03-26T15:16:43.017", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-4897", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2451739", "source": "secalert@redhat.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in polkit. A local user can exploit this by providing a specially crafted, excessively long input to the `polkit-agent-helper-1` setuid binary via standard input (stdin). This unbounded input can lead to an out-of-memory (OOM) condition, resulting in a Denial of Service (DoS) for the system."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en polkit. Un usuario local puede explotar esto al proporcionar una entrada especialmente dise\u00f1ada y excesivamente larga al binario setuid 'polkit-agent-helper-1' a trav\u00e9s de la entrada est\u00e1ndar (stdin). Esta entrada sin l\u00edmites puede llevar a una condici\u00f3n de falta de memoria (OOM), lo que resulta en una denegaci\u00f3n de servicio (DoS) para el sistema."}], "lastModified": "2026-03-30T13:26:50.827", "sourceIdentifier": "secalert@redhat.com"}