CVE-2006-3122 json
The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (applicatio…
published 2006-08-09 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-3119
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.0%
- EPSS 4.0% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
The supersede_lease function in memory.c in ISC DHCP (dhcpd) server 2.0pl5 allows remote attackers to cause a denial of service (application crash) via a DHCPDISCOVER packet with a 32 byte client-identifier, which causes the packet to be interpreted as a corrupt uid and causes the server to exit with "corrupt lease uid."
Patch / fix
- debian.org/security/2006/dsa-1143 advisory
- secunia.com/advisories/21363 advisory
- secunia.com/advisories/21345 advisory
Exploit prediction
4.02% chance of exploitation in the next 30 days, higher than 90% 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 |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
References
-
debian.org
/security/2006/dsa-1143
vendor-advisory, patch
-
secunia.com
/advisories/21363
third-party-advisory, patch, vendor-advisory
-
secunia.com
/advisories/21345
third-party-advisory, patch, vendor-advisory
-
openbsd.org
/errata.html#dhcpd
vendor-advisory
-
vupen.com
/english/advisories/2006/3158
vdb-entry, vendor-advisory
- bugs.debian.org /cgi-bin/bugreport.cgi?bug=380273
-
secunia.com
/advisories/21655
third-party-advisory
-
securityfocus.com
/bid/19348
vdb-entry
-
securitytracker.com
/id?1016755
vdb-entry
Sources
- CVE List CVE-2006-3122
- NVD CVE-2006-3122
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