Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2015-4620

name.c in named in ISC BIND 9.7.x through 9.9.x before 9.9.7-P1 and 9.10.x before 9.10.2-P2, when configured as a recursive resolver with DNSSEC validation, allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) by constructing crafted zone data and then making a query for a name in that zone.

Security Impact Summary

CVE-2015-4620 is a security vulnerability that . Impacting 1 product from isc organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-07-08T14:59:04.767

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-17

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	isc	bind	9.7.0	Yes
Application	isc	bind	9.7.0	Yes
Application	isc	bind	9.7.0	Yes
Application	isc	bind	9.7.0	Yes
Application	isc	bind	9.7.0	Yes
Application	isc	bind	9.7.0	Yes
Application	isc	bind	9.7.1	Yes
Application	isc	bind	9.7.1	Yes
Application	isc	bind	9.7.1	Yes
Application	isc	bind	9.7.1	Yes
Application	isc	bind	9.7.2	Yes
Application	isc	bind	9.7.2	Yes
Application	isc	bind	9.7.2	Yes
Application	isc	bind	9.7.2	Yes
Application	isc	bind	9.7.2	Yes
Application	isc	bind	9.7.3	Yes
Application	isc	bind	9.7.3	Yes
Application	isc	bind	9.7.3	Yes
Application	isc	bind	9.7.3	Yes
Application	isc	bind	9.7.4	Yes
Application	isc	bind	9.7.4	Yes
Application	isc	bind	9.7.4	Yes
Application	isc	bind	9.7.4	Yes
Application	isc	bind	9.7.5	Yes
Application	isc	bind	9.7.5	Yes
Application	isc	bind	9.7.5	Yes
Application	isc	bind	9.7.5	Yes
Application	isc	bind	9.7.6	Yes
Application	isc	bind	9.7.6	Yes
Application	isc	bind	9.7.6	Yes
Application	isc	bind	9.7.7	Yes
Application	isc	bind	9.8.0	Yes
Application	isc	bind	9.8.0	Yes
Application	isc	bind	9.8.0	Yes
Application	isc	bind	9.8.0	Yes
Application	isc	bind	9.8.0	Yes
Application	isc	bind	9.8.0	Yes
Application	isc	bind	9.8.0	Yes
Application	isc	bind	9.8.1	Yes
Application	isc	bind	9.8.1	Yes
Application	isc	bind	9.8.1	Yes
Application	isc	bind	9.8.1	Yes
Application	isc	bind	9.8.1	Yes
Application	isc	bind	9.8.1	Yes
Application	isc	bind	9.8.2	Yes
Application	isc	bind	9.8.2	Yes
Application	isc	bind	9.8.2	Yes
Application	isc	bind	9.8.3	Yes
Application	isc	bind	9.8.3	Yes
Application	isc	bind	9.8.3	Yes
Application	isc	bind	9.8.4	Yes
Application	isc	bind	9.8.5	Yes
Application	isc	bind	9.8.5	Yes
Application	isc	bind	9.8.5	Yes
Application	isc	bind	9.8.5	Yes
Application	isc	bind	9.8.5	Yes
Application	isc	bind	9.8.5	Yes
Application	isc	bind	9.8.5	Yes
Application	isc	bind	9.8.6	Yes
Application	isc	bind	9.8.6	Yes
Application	isc	bind	9.8.6	Yes
Application	isc	bind	9.9.0	Yes
Application	isc	bind	9.9.0	Yes
Application	isc	bind	9.9.0	Yes
Application	isc	bind	9.9.0	Yes
Application	isc	bind	9.9.0	Yes
Application	isc	bind	9.9.0	Yes
Application	isc	bind	9.9.0	Yes
Application	isc	bind	9.9.0	Yes
Application	isc	bind	9.9.0	Yes
Application	isc	bind	9.9.0	Yes
Application	isc	bind	9.9.1	Yes
Application	isc	bind	9.9.1	Yes
Application	isc	bind	9.9.1	Yes
Application	isc	bind	9.9.2	Yes
Application	isc	bind	9.9.3	Yes
Application	isc	bind	9.9.3	Yes
Application	isc	bind	9.9.3	Yes
Application	isc	bind	9.9.3	Yes
Application	isc	bind	9.9.3	Yes
Application	isc	bind	9.9.3	Yes
Application	isc	bind	9.9.3	Yes
Application	isc	bind	9.9.4	Yes
Application	isc	bind	9.9.5	Yes
Application	isc	bind	9.9.6	Yes
Application	isc	bind	9.9.6	Yes
Application	isc	bind	9.9.7	Yes
Application	isc	bind	9.9.7	Yes
Application	isc	bind	9.9.7	Yes
Application	isc	bind	9.10.0	Yes
Application	isc	bind	9.10.1	Yes
Application	isc	bind	9.10.1	Yes
Application	isc	bind	9.10.2	Yes
Application	isc	bind	9.10.2	Yes
Application	isc	bind	9.10.2	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162040.html ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162286.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00013.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.html ([email protected])
http://lists.opensuse.org/opensuse-updates/2015-07/msg00038.html ([email protected])
http://marc.info/?l=bugtraq&m=143740940810833&w=2 ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1443.html ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1471.html ([email protected])
http://www.debian.org/security/2015/dsa-3304 ([email protected])
http://www.securityfocus.com/bid/75588 ([email protected])
http://www.securitytracker.com/id/1032799 ([email protected])
http://www.ubuntu.com/usn/USN-2669-1 ([email protected])
https://kb.isc.org/article/AA-01267 Vendor Advisory ([email protected])
https://kb.isc.org/article/AA-01305 ([email protected])
https://kb.isc.org/article/AA-01306 ([email protected])
https://kb.isc.org/article/AA-01307 ([email protected])
https://kb.isc.org/article/AA-01438 ([email protected])
https://kb.juniper.net/JSA10783 ([email protected])
https://kc.mcafee.com/corporate/index?page=content&id=SB10124 ([email protected])
https://security.gentoo.org/glsa/201510-01 ([email protected])
https://security.netapp.com/advisory/ntap-20190903-0003/ ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162040.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162286.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00013.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-updates/2015-07/msg00038.html (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=143740940810833&w=2 (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1443.html (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1471.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2015/dsa-3304 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/75588 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1032799 (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2669-1 (af854a3a-2127-422b-91ae-364da2661108)
https://kb.isc.org/article/AA-01267 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://kb.isc.org/article/AA-01305 (af854a3a-2127-422b-91ae-364da2661108)
https://kb.isc.org/article/AA-01306 (af854a3a-2127-422b-91ae-364da2661108)
https://kb.isc.org/article/AA-01307 (af854a3a-2127-422b-91ae-364da2661108)
https://kb.isc.org/article/AA-01438 (af854a3a-2127-422b-91ae-364da2661108)
https://kb.juniper.net/JSA10783 (af854a3a-2127-422b-91ae-364da2661108)
https://kc.mcafee.com/corporate/index?page=content&id=SB10124 (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201510-01 (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20190903-0003/ (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For isc's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.