{"api_version":"1","generated_at":"2026-04-22T19:18:04+00:00","cve":"CVE-2023-4809","urls":{"html":"https://cve.report/CVE-2023-4809","api":"https://cve.report/api/cve/CVE-2023-4809.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-4809","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-4809"},"summary":{"title":"CVE-2023-4809","description":"In pf packet processing with a 'scrub fragment reassemble' rule, a packet containing multiple IPv6 fragment headers would be reassembled, and then immediately processed.  That is, a packet with multiple fragment extension headers would not be recognized as the correct ultimate payload. 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