UpHeron
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Servers and applications

CVE-2012-3868

Race condition in the ns_client structure management in ISC BIND 9.9.x before 9.9.1-P2 allows remote attackers to cause a denial of service (memory consumption or process exit) via a large volume of TCP queries.

Severity
Medium 4.3
Published
25 Jul 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.7% in the next 30 daysHigher than 86% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
Race condition (CWE-362)
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
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 12 release lines
  • 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-2012-3868
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2012-3868