CVE-2006-0433 json
Selective Acknowledgement (SACK) in FreeBSD 5.3 and 5.4 does not properly handle an incoming selective acknowledgement when there is insuff…
published 2006-02-02 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-0440
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
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).
Patch / fix
- osvdb.org/22861 patch
Exploit prediction
2.88% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
osvdb.org
/22861
vdb-entry, patch
-
vupen.com
/english/advisories/2006/0409
vdb-entry
-
securityfocus.com
/bid/16466
vdb-entry
-
securitytracker.com
/id?1015566
vdb-entry
-
securityreason.com
/securityalert/399
third-party-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/24453
vdb-entry
-
secunia.com
/advisories/18696
third-party-advisory
Sources
- CVE List CVE-2006-0433
- NVD CVE-2006-0433
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.