UpHeron
All vulnerabilities

Servers and applications

CVE-2012-3817

ISC BIND 9.4.x, 9.5.x, 9.6.x, and 9.7.x before 9.7.6-P2; 9.8.x before 9.8.3-P2; 9.9.x before 9.9.1-P2; and 9.6-ESV before 9.6-ESV-R7-P2, when DNSSEC validation is enabled, does not properly initialize the failing-query cache, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) by sending many queries.

Severity
High 7.8
Published
25 Jul 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
24% in the next 30 daysHigher than 97% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · No login needed
Attacker can
Take it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:C
Sources
NVD

Affected software

SoftwareAffected versions
BIND 9Servers and applications · cpe:a:isc:bind
  • Version 9.9.1-p1
  • Version 9.9.1
  • Version 9.9.0
  • Version 9.9.0-rc4
All 91 release lines
  • Version 9.4.0-rc1
  • Version 9.4
  • Version 9.4.1
  • Version 9.4.2
  • Version 9.4.3-rc1
  • Version 9.4.3
  • Version 9.5.0-rc1
  • Version 9.5
  • Version 9.5.1-rc1
  • Version 9.5.1-rc2
  • Version 9.5.1
  • Version 9.5.2-rc1
  • Version 9.5.2
  • Version 9.5.3-rc1
  • Version 9.5.3
  • Version 9.6.0-rc1
  • Version 9.6.0-rc2
  • Version 9.6-r6_b1
  • Version 9.6-r6_rc1
  • Version 9.6-r6_rc2
  • Version 9.6.0
  • Version 9.6.0-p1
  • Version 9.6-r5_p1
  • Version 9.6-r7_p1
  • Version 9.6.1-rc1
  • Version 9.6.1
  • Version 9.6.1-p1
  • Version 9.6.1-p2
  • Version 9.6.1-p3
  • Version 9.6.2-rc1
  • Version 9.6.2
  • Version 9.6.3-rc1
  • Version 9.6.3
  • Version 9.7.0-rc1
  • Version 9.7.0-rc2
  • Version 9.7.0
  • Version 9.7.0-p1
  • Version 9.7.0-p2
  • Version 9.7.1-rc1
  • Version 9.7.1
  • Version 9.7.1-p1
  • Version 9.7.1-p2
  • Version 9.7.2-rc1
  • Version 9.7.2
  • Version 9.7.2-p1
  • Version 9.7.2-p2
  • Version 9.7.2-p3
  • Version 9.7.3-b1
  • Version 9.7.3-rc1
  • Version 9.7.3
  • Version 9.7.3-p1
  • Version 9.7.4-b1
  • Version 9.7.4-rc1
  • Version 9.7.4
  • Version 9.7.4-p1
  • Version 9.7.5-b1
  • Version 9.7.5-rc1
  • Version 9.7.5-rc2
  • Version 9.7.5
  • Version 9.7.6
  • Version 9.7.6-p1
  • Version 9.8.0-a1
  • Version 9.8.0-b1
  • Version 9.8.0-rc1
  • Version 9.8.0
  • Version 9.8.0-p1
  • Version 9.8.0-p2
  • Version 9.8.0-p4
  • Version 9.8.1-b1
  • Version 9.8.1-b2
  • Version 9.8.1-b3
  • Version 9.8.1-rc1
  • Version 9.8.1
  • Version 9.8.1-p1
  • Version 9.8.2-b1
  • Version 9.8.2-rc1
  • Version 9.8.2-rc2
  • Version 9.8.3
  • Version 9.8.3-p1
  • Version 9.9.0-a1
  • Version 9.9.0-a2
  • Version 9.9.0-a3
  • Version 9.9.0-b1
  • Version 9.9.0-b2
  • Version 9.9.0-rc1
  • Version 9.9.0-rc2
  • Version 9.9.0-rc3
  • Version 9.9.0-rc4
  • Version 9.9.0
  • Version 9.9.1
  • Version 9.9.1-p1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2012-3817
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-3817