CVE-2012-3817

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 23.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-07-25 · updated 2026-06-16
Weakness: CWE-20

Description

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.

Affected products

ISC BIND: 9.4, 9.4.0, 9.4.0-rc1, 9.4.1, 9.4.2, 9.4.3 (+88)

References

http://lists.apple.com/archives/security-announce/2013/Sep/msg00002.html
http://lists.opensuse.org/opensuse-updates/2012-08/msg00013.html
http://lists.opensuse.org/opensuse-updates/2012-08/msg00015.html
http://rhn.redhat.com/errata/RHSA-2012-1122.html
http://rhn.redhat.com/errata/RHSA-2012-1123.html
http://secunia.com/advisories/51096
http://support.apple.com/kb/HT5880
http://www.debian.org/security/2012/dsa-2517
http://www.securitytracker.com/id?1027296
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2012&m=slackware-security.536004
http://www.ubuntu.com/usn/USN-1518-1
https://kb.isc.org/article/AA-00729

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