What’s Vulnerable › Vulnerabilities

CVE-2006-4435

• Severity: medium (CVSS 4.9 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2006-08-29 · updated 2026-06-16

Description

OpenBSD 3.8, 3.9, and possibly earlier versions allows context-dependent attackers to cause a denial of service (kernel panic) by allocating more semaphores than the default.

Affected products

• OpenBSD: 3.8, 3.9

References

• http://secunia.com/advisories/21642
• http://securitytracker.com/id?1016756
• http://www.openbsd.org/errata.html#sem
• http://www.openbsd.org/errata38.html#sem
• http://www.osvdb.org/28195
• http://www.securityfocus.com/bid/19713
• https://exchange.xforce.ibmcloud.com/vulnerabilities/28617
• http://secunia.com/advisories/21642
• http://securitytracker.com/id?1016756
• http://www.openbsd.org/errata.html#sem
• http://www.openbsd.org/errata38.html#sem
• http://www.osvdb.org/28195

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