{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-19T17:22:36.947","vulnerabilities":[{"cve":{"id":"CVE-2023-6534","sourceIdentifier":"secteam@freebsd.org","published":"2023-12-13T09:15:34.680","lastModified":"2024-11-21T08:44:02.973","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In versions of FreeBSD 14.0-RELEASE before 14-RELEASE-p2, FreeBSD 13.2-RELEASE before 13.2-RELEASE-p7 and FreeBSD 12.4-RELEASE before 12.4-RELEASE-p9, the pf(4) packet filter incorrectly validates TCP sequence numbers.  This could allow a malicious actor to execute a denial-of-service attack against hosts behind the firewall."},{"lang":"es","value":"En las versiones de FreeBSD 14.0-RELEASE anteriores a 14-RELEASE-p2, FreeBSD 13.2-RELEASE anteriores a 13.2-RELEASE-p7 y FreeBSD 12.4-RELEASE anteriores a 12.4-RELEASE-p9, el filtro de paquetes pf(4) valida incorrectamente los números de secuencia TCP. Esto podría permitir que un actor malintencionado ejecute un ataque de denegación de servicio contra hosts detrás del firewall."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.4:-:*:*:*:*:*:*","matchCriteriaId":"24920B4D-96C0-401F-B679-BEB086760EAF"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.4:p1:*:*:*:*:*:*","matchCriteriaId":"3CE32730-A9F5-4E8D-BDA4-6B8232F84787"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.4:p2:*:*:*:*:*:*","matchCriteriaId":"552E81DE-D409-475F-8ED0-E10A0BE43D29"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.4:p3:*:*:*:*:*:*","matchCriteriaId":"251CAE22-C3E6-45AD-8301-F36BEE5C6860"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.4:p4:*:*:*:*:*:*","matchCriteriaId":"85D94BCA-FA32-4C10-95CD-5D2A69B38A7A"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.4:p5:*:*:*:*:*:*","matchCriteriaId":"8C950F97-40B4-43BF-BB81-C49CE00A468B"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.4:p6:*:*:*:*:*:*","matchCriteriaId":"8FFBAD22-5712-472D-ADAF-13DE0826F888"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.4:p7:*:*:*:*:*:*","matchCriteriaId":"888336D6-CA3C-45ED-90EA-C94A3146F1E9"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.4:p8:*:*:*:*:*:*","matchCriteriaId":"7314B63B-75AF-44EF-9F4C-DDF7A18B77E2"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.4:rc2-p1:*:*:*:*:*:*","matchCriteriaId":"BA821886-B26B-47A6-ABC9-B8F70CE0ACFB"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:12.4:rc2-p2:*:*:*:*:*:*","matchCriteriaId":"220629AD-32CC-4303-86AE-1DD27F0E4C65"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:13.2:-:*:*:*:*:*:*","matchCriteriaId":"A87EFA20-DD6B-41C5-98FD-A29F67D2E732"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:13.2:p1:*:*:*:*:*:*","matchCriteriaId":"2888B0C1-4D85-42EC-9696-03FAD0A9C28F"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:13.2:p2:*:*:*:*:*:*","matchCriteriaId":"A3306F11-D3C0-41D6-BB5E-2ABDC3927715"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:13.2:p3:*:*:*:*:*:*","matchCriteriaId":"9E584FE1-3A34-492B-B10F-508DA7CBA768"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:13.2:p4:*:*:*:*:*:*","matchCriteriaId":"A5605E90-D125-4CC9-8B9F-F5EED9D4EE0C"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:13.2:p5:*:*:*:*:*:*","matchCriteriaId":"761B4382-E857-4868-9F80-189B7F60256B"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:13.2:p6:*:*:*:*:*:*","matchCriteriaId":"51B17801-15FD-4425-BA6C-BE06B14F1BFE"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:14.0:-:*:*:*:*:*:*","matchCriteriaId":"FA25530A-133C-4D7C-8993-D5C42D79A0B5"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:14.0:beta5:*:*:*:*:*:*","matchCriteriaId":"DB7B021E-F4AD-44AC-96AB-8ACAF8AB1B88"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:14.0:p1:*:*:*:*:*:*","matchCriteriaId":"69A72B5A-2189-4700-8E8B-1E5E7CA86C40"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:14.0:rc3:*:*:*:*:*:*","matchCriteriaId":"038E5B85-7F60-4D71-8D3F-EDBF6E036CE0"},{"vulnerable":true,"criteria":"cpe:2.3:o:freebsd:freebsd:14.0:rc4-p1:*:*:*:*:*:*","matchCriteriaId":"BF309824-D379-4749-A1FA-BCB2987DD671"}]}]}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-23:17.pf.asc","source":"secteam@freebsd.org","tags":["Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20240112-0007/","source":"secteam@freebsd.org"},{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-23:17.pf.asc","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20240112-0007/","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}