Unrated severityNVD Advisory· Published Feb 2, 2006· Updated Jun 16, 2026

CVE-2006-0433

Description

Selective Acknowledgement (SACK) in FreeBSD 5.3 and 5.4 does not properly handle an incoming selective acknowledgement when there is insufficient memory, which might allow remote attackers to cause a denial of service (infinite loop).

Affected products

FreeBSD/FreeBSD3 versions
cpe:2.3:o:freebsd:freebsd:5.3:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:freebsd:freebsd:5.3:*:*:*:*:*:*:*
- cpe:2.3:o:freebsd:freebsd:5.4:*:*:*:*:*:*:*
- (no CPE)range: = 5.3, 5.4

Patches

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.osvdb.org/22861nvdPatch
ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:08.sack.ascnvd
secunia.com/advisories/18696nvd
securityreason.com/securityalert/399nvd
securitytracker.com/idnvd
www.securityfocus.com/bid/16466nvd
www.vupen.com/english/advisories/2006/0409nvd
exchange.xforce.ibmcloud.com/vulnerabilities/24453nvd

News mentions

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