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CVE-2012-5688

31
FAUCET Score

CVE-2012-5688 is a denial-of-service vulnerability affecting ISC BIND versions 9.8.x before 9.8.4-P1 and 9.9.x before 9.9.2-P1, specifically when DNS64 is enabled. A remote attacker can exploit this flaw by sending a crafted query, leading to an assertion failure and daemon exit. This vulnerability has a CVSS score of 7.8, indicating high severity due to its network-based attack vector, low attack complexity, and complete availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
9.8.0CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.8.0:-:*:*:*:*:*:*
9.8.0CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.8.0:a1:*:*:*:*:*:*
9.8.0CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.8.0:b1:*:*:*:*:*:*
9.8.0CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.8.0:p1:*:*:*:*:*:*
9.8.0CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.8.0:p2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

AV:N/AC:L/Au:N/C:N/I:N/A:C

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
10.90%
Probability of exploitation in next 30 days
EPSS Percentile
95.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.1090 is in the 93rd percentile among its peer group of 51,455 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: bind-32:9.8.2-0.10.rc1.el6_3.6
View patch

Vendor Advisories (1)

redhatCVE-2012-5688Important

bind: DoS on servers using DNS64

Dec 4, 2012

References

lists.apple.com / archives/security-announce/2013/Sep/msg00002.html
Mailing ListThird Party Advisory
rhn.redhat.com / errata/RHSA-2012-1549.html
Third Party Advisory
kb.isc.org / article/AA-00828
PatchVendor Advisory
support.apple.com / kb/HT5880
Third Party Advisory
slackware.com / security/viewer.php
Third Party Advisory
ubuntu.com / usn/USN-1657-1
Third Party Advisory