CVE-2012-3817

high
Published 2012-07-25 · Modified 2026-04-29
CVSS v3
CVSS v2
7.8
VIR risk
7.8

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-3817

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://kb.isc.org/article/AA-00729

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1:9.8.1.dfsg.P1-4.2
debian debianbullseyefixed1:9.8.1.dfsg.P1-4.2
debian debianforkyfixed1:9.8.1.dfsg.P1-4.2
debian debiansidfixed1:9.8.1.dfsg.P1-4.2
debian debiantrixiefixed1:9.8.1.dfsg.P1-4.2

Application impact

VendorProductVersionsFixed
iscbind9.4
iscbind9.4.0
iscbind9.4.1
iscbind9.4.2
iscbind9.4.3
iscbind9.5
iscbind9.5.0
iscbind9.5.1
iscbind9.5.2
iscbind9.5.3
iscbind9.6.0
iscbind9.6.1
iscbind9.6.2
iscbind9.6.3
iscbind9.7.0
iscbind9.7.1
iscbind9.7.2
iscbind9.7.3
iscbind9.7.4
iscbind9.7.5
iscbind9.7.6
iscbind9.8.0
iscbind9.8.1
iscbind9.8.2
iscbind9.8.3
iscbind9.9.0
iscbind9.9.1
iscbind9.6

References

CWEs

CWE-20

Verify integrity in audit chain (admin only). AS-IS.