CVE-2006-0883
OpenSSH on FreeBSD 5.3 and 5.4, when used with OpenPAM, does not properly handle when a forked child process terminates during PAM…
- 5.0MediumCVSS base score
- 1.9%Exploitation in 30 daysEPSS · top 20% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
OpenSSH on FreeBSD 5.3 and 5.4, when used with OpenPAM, does not properly handle when a forked child process terminates during PAM authentication, which allows remote attackers to cause a denial of service (client connection refusal) by connecting multiple times to the SSH server, waiting for the password prompt, then disconnecting.
Timeline
ID reserved
By freebsd
- 11 days later
· 11 days later
Published
- 18 years later
· 18 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 1.9% · top 20% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
7
- ADV-2006-0805 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 23797 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 1015706 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 520 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
- 16892 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- openssh-openpam-dos(25116) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://bugzilla.mindrot.org/show_bug.cgi?id=839 (opens in a new tab)x_refsource_CONFIRMx_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)
- EUVD EUVD-2006-0887 (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://cveledger.app/cve/CVE-2006-0883)Record last updated .