CVE-2006-4435

NONECVSS 0.0

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 17.6%
KEV: Not listed

Published

August 29, 2006

Last Modified

April 16, 2026

References (14)

cve@mitrehttp://secunia.com/advisories/21642
cve@mitrehttp://securitytracker.com/id?1016756
cve@mitrehttp://www.openbsd.org/errata.html#sem
cve@mitrehttp://www.openbsd.org/errata38.html#sem
cve@mitrehttp://www.osvdb.org/28195
cve@mitrehttp://www.securityfocus.com/bid/19713
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/28617
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/21642
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1016756
af854a3a-2127-422b-91ae-364da2661108http://www.openbsd.org/errata.html#sem
af854a3a-2127-422b-91ae-364da2661108http://www.openbsd.org/errata38.html#sem
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/28195
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/19713
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/28617

Data Freshness Timeline

(refreshed 10× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
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2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Frequently asked(4)

What is CVE-2006-4435?

CVE-2006-4435 is a none vulnerability published on August 29, 2006. 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.

When was CVE-2006-4435 disclosed?

CVE-2006-4435 was first published in the National Vulnerability Database on August 29, 2006, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2006-4435 actively exploited?

CVE-2006-4435 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2006-4435?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-4435, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2006-4435

📅 Published

🔄 Last Modified

🔗 References (14)