5

CVE-2006-4252: powerdns recursor

CVSS: 5.0v2.0MediumModified
AliasesDEBIAN-CVE-2006-4252
Published 14-11-2006Last modified 07-08-2024
Open JSON

Vulnerability summary

CVE-2006-4252 is a medium (CVSS 5.0) vulnerability in powerdns recursor. EPSS estimates a 5.97% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
5.97%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-11-2006
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

5.97%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

+0.02 pp

From 5.95% on 21-09-2026

21-09-202621-10-2026
EPSS score
5.97%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Debian1 product
  • pdns-recursor< 3.1.4-1
Powerdns1 product
  • recursor≤ 3.1.3 | 2.0_rc1 | 2.8 | 2.9.15 | 2.9.16 | 2.9.17 | 2.9.18 | 3.0 | 3.0.1 | 3.1 | 3.1.1 | 3.1.2

2 vendors · 2 products

References

8 links