CVE-2006-2076
CVE-2006-2076 is a medium-severity vulnerability in Pdnsd with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 5% (91st percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Pdnsd
- Published:
- Last modified:
Description
Memory leak in Paul Rombouts pdnsd before 1.2.4 allows remote attackers to cause a denial of service (memory consumption) via a DNS query with an unsupported (1) QTYPE or (2) QCLASS, as demonstrated by the OUSPG PROTOS DNS test suite.
Frequently asked questions
- What is CVE-2006-2076?
- Memory leak in Paul Rombouts pdnsd before 1.2.4 allows remote attackers to cause a denial of service (memory consumption) via a DNS query with an unsupported (1) QTYPE or (2) QCLASS, as demonstrated by the OUSPG PROTOS DNS test suite.
- How severe is CVE-2006-2076?
- CVE-2006-2076 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-2006-2076 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2006-2076?
- CVE-2006-2076 primarily affects Pdnsd. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2006-2076?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2006-2076 published?
- CVE-2006-2076 was published on 2006-04-27 and last updated on 2026-06-16.
References
- http://secunia.com/advisories/19835
- http://secunia.com/advisories/20055
- http://securitytracker.com/id?1015989
- http://www.gentoo.org/security/en/glsa/glsa-200605-10.xml
- http://www.kb.cert.org/vuls/id/955777
- http://www.niscc.gov.uk/niscc/docs/br-20060425-00311.html?lang=en
- http://www.niscc.gov.uk/niscc/docs/re-20060425-00312.pdf?lang=en
- http://www.phys.uu.nl/~rombouts/pdnsd.html
- http://www.securityfocus.com/bid/17694
- http://www.vupen.com/english/advisories/2006/1505
- http://www.vupen.com/english/advisories/2006/1528
- https://exchange.xforce.ibmcloud.com/vulnerabilities/26081
Affected products (18)
- cpe:2.3:a:pdnsd:pdnsd:1.0.13:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.0.15:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.1:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.1.7a:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.1.8b1_par5:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.1.8b1_par6:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.1.8b1_par8:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.1.10_par:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.1.11_par:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.2.1_par:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.2.2_par:*:*:*:*:*:*:*
- cpe:2.3:a:pdnsd:pdnsd:1.2.3_par:*:*:*:*:*:*:*
More vulnerabilities in Pdnsd
- CVE-2006-2077 — Critical (CVSS 10.0): Buffer overflow in Paul Rombouts pdnsd before 1.2.4 has unknown impact and attack vectors. NOTE: this issue might be…
- CVE-2008-4194 — Medium (CVSS 5.0): The p_exec_query function in src/dns_query.c in pdnsd before 1.2.7-par allows remote attackers to cause a denial of…