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CVE-2014-0591

28
FAUCET Score

CVE-2014-0591 describes a denial-of-service vulnerability in ISC BIND versions 9.6, 9.7, 9.8, and 9.9. A remote attacker can trigger an INSIST assertion failure and daemon exit by sending a crafted DNS query to an authoritative nameserver configured with NSEC3 signing. This vulnerability has a CVSS score of 2.6, indicating low severity, with an attack vector over the network, high attack complexity, and a potential impact of partial availability loss. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
9.6CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.6:*:*:*:*:*:*:*
9.6CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.6:r5_p1:*:*:*:*:*:*
9.6CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.6:r6_b1:*:*:*:*:*:*
9.6CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.6:r6_rc1:*:*:*:*:*:*
9.6CPE matchmatch criteria
cpe:2.3:a:isc:bind:9.6:r6_rc2:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.6LOW

AV:N/AC:H/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
31.67%
Probability of exploitation in next 30 days
EPSS Percentile
98.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.3167 is in the 99th percentile among its peer group of 1,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.3 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: bind97-32:9.7.0-21.P2.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: bind-32:9.8.2-0.23.rc1.el6_5.1
View patch

Vendor Advisories (1)

redhatCVE-2014-0591Moderate

bind: named crash when handling malformed NSEC3-signed zones

Jan 13, 2014

References

archives.neohapsis.com / archives/bugtraq/2014-10/0103.html
linux.oracle.com / errata/ELSA-2014-1244
lists.fedoraproject.org / pipermail/package-announce/2014-January/126761.html
lists.fedoraproject.org / pipermail/package-announce/2014-January/126772.html
lists.opensuse.org / opensuse-security-announce/2015-03/msg00009.html
lists.opensuse.org / opensuse-updates/2014-02/msg00016.html
lists.opensuse.org / opensuse-updates/2014-02/msg00019.html
marc.info
osvdb.org / 101973
rhn.redhat.com / errata/RHSA-2014-0043.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/56425
secunia.com / advisories/56427
secunia.com / advisories/56442
secunia.com / advisories/56493
secunia.com / advisories/56522
secunia.com / advisories/56574
secunia.com / advisories/56871
secunia.com / advisories/61117
secunia.com / advisories/61199
secunia.com / advisories/61343
kb.isc.org / article/AA-01078
Vendor Advisory
kb.isc.org / article/AA-01085
Vendor Advisory
support.apple.com / kb/HT6536
debian.org / security/2014/dsa-3023
freebsd.org / security/advisories/FreeBSD-SA-14:04.bind.asc
mandriva.com / security/advisories
securityfocus.com / bid/64801
securitytracker.com / id/1029589
slackware.com / security/viewer.php
slackware.com / security/viewer.php
ubuntu.com / usn/USN-2081-1