CVE-2014-0591

CVE-2014-0591 is a low-severity vulnerability in Isc Bind with a CVSS 2.0 base score of 2.6. Its EPSS exploit-prediction score of 32% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Low (CVSS 2.0 base score 2.6)
• EPSS exploit prediction: 32% (98th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Isc Bind
• Published: 2014-01-14
• Last modified: 2026-06-17

Description

The query_findclosestnsec3 function in query.c in named in ISC BIND 9.6, 9.7, and 9.8 before 9.8.6-P2 and 9.9 before 9.9.4-P2, and 9.6-ESV before 9.6-ESV-R10-P2, allows remote attackers to cause a denial of service (INSIST assertion failure and daemon exit) via a crafted DNS query to an authoritative nameserver that uses the NSEC3 signing feature.

Frequently asked questions

What is CVE-2014-0591?

The query_findclosestnsec3 function in query.c in named in ISC BIND 9.6, 9.7, and 9.8 before 9.8.6-P2 and 9.9 before 9.9.4-P2, and 9.6-ESV before 9.6-ESV-R10-P2, allows remote attackers to cause a denial of service (INSIST assertion failure and daemon exit) via a crafted DNS query to an authoritative nameserver that uses the NSEC3 signing feature.

How severe is CVE-2014-0591?

CVE-2014-0591 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-2014-0591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 32% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-0591?

CVE-2014-0591 primarily affects Isc Bind. In total, 88 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-0591?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-0591 published?

CVE-2014-0591 was published on 2014-01-14 and last updated on 2026-06-17.

References

• http://archives.neohapsis.com/archives/bugtraq/2014-10/0103.html
• http://linux.oracle.com/errata/ELSA-2014-1244
• http://lists.fedoraproject.org/pipermail/package-announce/2014-January/126761.html
• http://lists.fedoraproject.org/pipermail/package-announce/2014-January/126772.html
• http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00009.html
• http://lists.opensuse.org/opensuse-updates/2014-02/msg00016.html
• http://lists.opensuse.org/opensuse-updates/2014-02/msg00019.html
• http://marc.info/?l=bugtraq&m=138995561732658&w=2
• http://osvdb.org/101973
• http://rhn.redhat.com/errata/RHSA-2014-0043.html
• http://secunia.com/advisories/56425
• http://secunia.com/advisories/56427
• http://secunia.com/advisories/56442
• http://secunia.com/advisories/56493
• http://secunia.com/advisories/56522
• http://secunia.com/advisories/56574
• http://secunia.com/advisories/56871
• http://secunia.com/advisories/61117
• http://secunia.com/advisories/61199
• http://secunia.com/advisories/61343
• http://www.debian.org/security/2014/dsa-3023
• http://www.freebsd.org/security/advisories/FreeBSD-SA-14:04.bind.asc
• http://www.mandriva.com/security/advisories?name=MDVSA-2014:002
• http://www.securityfocus.com/bid/64801
• http://www.securitytracker.com/id/1029589
• http://www.slackware.com/security/viewer.php?l=slackware-security&y=2014&m=slackware-security.518391
• http://www.slackware.com/security/viewer.php?l=slackware-security&y=2014&m=slackware-security.524465
• http://www.ubuntu.com/usn/USN-2081-1
• https://bugzilla.redhat.com/show_bug.cgi?id=1051717
• https://kb.isc.org/article/AA-01078

Affected products (88)

• cpe:2.3:a:isc:bind:9.6:*:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6:r5_p1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6:r6_b1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6:r6_rc1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6:r6_rc2:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6:r7_p1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6:r7_p2:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6:r9_p1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6.0:p1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6.0:rc2:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6.1:p1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6.1:p2:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6.1:p3:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6.1:rc1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6.2:*:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6.2:rc1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6.3:*:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.6.3:rc1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.0:*:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.0:b1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.0:p1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.0:p2:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.0:rc2:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.1:*:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.1:p1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.1:p2:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.1:rc1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.2:*:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.2:p1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.2:p2:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.2:p3:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.2:rc1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.3:*:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.3:b1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.3:p1:*:*:*:*:*:*
• cpe:2.3:a:isc:bind:9.7.3:rc1:*:*:*:*:*:*

More vulnerabilities in Isc Bind

• CVE-2008-0122 — Critical (CVSS 10.0): Off-by-one error in the inet_network function in libbind in ISC BIND 9.4.2 and earlier, as used in libc in FreeBSD 6.2…
• CVE-2001-0011 — Critical (CVSS 10.0): Buffer overflow in nslookupComplain function in BIND 4 allows remote attackers to gain root privileges.
• CVE-2001-0013 — Critical (CVSS 10.0): Format string vulnerability in nslookupComplain function in BIND 4 allows remote attackers to gain root privileges.
• CVE-2001-0010 — Critical (CVSS 10.0): Buffer overflow in transaction signature (TSIG) handling code in BIND 8 allows remote attackers to gain root privileges.
• CVE-2000-1029 — Critical (CVSS 10.0): Buffer overflow in host command allows a remote attacker to execute arbitrary commands via a long response to an AXFR…
• CVE-1999-0837 — Critical (CVSS 10.0): Denial of service in BIND by improperly closing TCP sessions via so_linger.

All CVEs affecting Isc Bind →

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Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →