What’s Vulnerable › Vulnerabilities

CVE-2006-0433

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2006-02-02 · updated 2026-06-16

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: 5.3, 5.4

References

• http://secunia.com/advisories/18696
• http://securityreason.com/securityalert/399
• http://securitytracker.com/id?1015566
• http://www.osvdb.org/22861
• http://www.securityfocus.com/bid/16466
• http://www.vupen.com/english/advisories/2006/0409
• https://exchange.xforce.ibmcloud.com/vulnerabilities/24453
• http://secunia.com/advisories/18696
• http://securityreason.com/securityalert/399
• http://securitytracker.com/id?1015566

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