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CVE-2023-4809

🗓️ 09 Jan 2026 12:31:31Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 7 Views

Vulnerability in pf packet processing allows IPv6 fragments to bypass firewall rules.

Related
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2023-4809
13 Sep 202311:01
circl
CNNVD
FreeBSD Security Vulnerabilities
6 Sep 202300:00
cnnvd
CVE
CVE-2023-4809
6 Sep 202319:26
cve
Cvelist
CVE-2023-4809 pf incorrectly handles multiple IPv6 fragment headers
6 Sep 202319:26
cvelist
FreeBSD
FreeBSD -- pf incorrectly handles multiple IPv6 fragment headers
6 Sep 202300:00
freebsd
FreeBSD Advisory
FreeBSD-SA-23:10.pf
6 Sep 202300:00
freebsd_advisory
Tenable Nessus
FreeBSD : FreeBSD -- pf incorrectly handles multiple IPv6 fragment headers (d35373ae-4d34-11ee-8e38-002590c1f29c)
7 Sep 202300:00
nessus
NVD
CVE-2023-4809
6 Sep 202320:15
nvd
OSV
CVE-2023-4809
6 Sep 202320:15
osv
Prion
Design/Logic Flaw
6 Sep 202320:15
prion
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09 Jan 2026 12:31Current
6.9Medium risk
Vulners AI Score6.9
CVSS 3.17.5
EPSS0.00309
7