CVE-2006-4252 json
PowerDNS Recursor 3.1.3 and earlier allows remote attackers to cause a denial of service (resource exhaustion and application crash) via a…
published 2006-11-14 19 y ago modified 2026-06-16 4 mo ago also EUVD-2006-4240
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.0%
- EPSS 6.0% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
PowerDNS Recursor 3.1.3 and earlier allows remote attackers to cause a denial of service (resource exhaustion and application crash) via a CNAME record with a zero TTL, which triggers an infinite loop.
Patch / fix
- pdns-recursor Debian 14, Debian 13, Debian 12 3.1.4-1
debian advisories DEBIAN-CVE-2006-4252
- securityfocus.com/bid/21037 patch
- doc.powerdns.com/powerdns-advisory-2006-02.html advisory
- secunia.com/advisories/22824 advisory
Exploit prediction
5.97% chance of exploitation in the next 30 days, higher than 93% 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
-
doc.powerdns.com
/powerdns-advisory-2006-02.html
patch, vendor-advisory
-
secunia.com
/advisories/22824
third-party-advisory, patch, vendor-advisory
-
securityfocus.com
/bid/21037
vdb-entry, patch
-
lists.suse.com
/archive/suse-security-announce/2006-Nov/0007.html
vendor-advisory
-
vupen.com
/english/advisories/2006/4484
vdb-entry
-
exchange.xforce.ibmcloud.com
/vulnerabilities/30257
vdb-entry
-
secunia.com
/advisories/22976
third-party-advisory
Sources
- CVE List CVE-2006-4252
- NVD CVE-2006-4252
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