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CVE-2006-4435
OpenBSD 3.8, 3.9, and possibly earlier versions allows context-dependent attackers to cause a denial of service (kernel panic) by…
Medium4.9EPSS 0.34%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 0.34% · top 72% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (7)
- 28195 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 1016756 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 21642 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 19713 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [3.9] 20060825 007: SECURITY FIX: August 25, 2006 (opens in a new tab)vendor-advisoryx_refsource_OPENBSDx_transferred
- [3.8] 20060825 012: SECURITY FIX: August 25, 2006 (opens in a new tab)vendor-advisoryx_refsource_OPENBSDx_transferred
- openbsd-semaphores-dos(28617) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2006-4435)Record last updated .