Unrated severityNVD Advisory· Published Aug 12, 2002· Updated Jun 16, 2026

CVE-2002-0794

Description

The accept_filter mechanism in FreeBSD 4 through 4.5 does not properly remove entries from the incomplete listen queue when adding a syncache, which allows remote attackers to cause a denial of service (network service availability) via a large number of connection attempts, which fills the queue.

Affected products

FreeBSD/FreeBSD2 versions
cpe:2.3:o:freebsd:freebsd:4.5:release:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:freebsd:freebsd:4.5:release:*:*:*:*:*:*
- (no CPE)range: >=4.0, <=4.5

Patches

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

archives.neohapsis.com/archives/freebsd/2002-05/0349.htmlnvdPatchVendor Advisory
www.iss.net/security_center/static/9209.phpnvdPatchVendor Advisory
www.securityfocus.com/bid/4879nvdPatchVendor Advisory
www.osvdb.org/5081nvd

News mentions

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