CVE-2006-4435 json
OpenBSD 3.8, 3.9, and possibly earlier versions allows context-dependent attackers to cause a denial of service (kernel panic) by allocatin…
published 2006-08-29 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-4423
- cvss
- 4.9
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 27%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- securitytracker.com/id?1016756 patch
- securityfocus.com/bid/19713 patch
- secunia.com/advisories/21642 advisory
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
References
-
securitytracker.com
/id?1016756
vdb-entry, patch
-
secunia.com
/advisories/21642
third-party-advisory, patch, vendor-advisory
-
securityfocus.com
/bid/19713
vdb-entry, patch
-
openbsd.org
/errata.html#sem
vendor-advisory
-
openbsd.org
/errata38.html#sem
vendor-advisory
-
osvdb.org
/28195
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/28617
vdb-entry
Sources
- CVE List CVE-2006-4435
- NVD CVE-2006-4435
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.