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CVE PROGRAM SOURCE RECORDUnscored

CVE-2023-6534

TCP spoofing vulnerability in pf(4)

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

FreeBSD FreeBSD

Default version status: unknown

  • 14.0-RELEASE to < p2affected
  • 13.2-RELEASE to < p7affected
  • 12.4-RELEASE to < p9affected

References