CVE-2015-4620

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 38.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-07-08 · updated 2026-06-17
Weakness: CWE-17

Description

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.

Affected products

ISC BIND: 9.7.0, 9.7.0-b1, 9.7.0-p1, 9.7.0-p2, 9.7.0-rc1, 9.7.0-rc2 (+89)

References

http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162040.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-July/162286.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00013.html
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00050.html
http://lists.opensuse.org/opensuse-updates/2015-07/msg00038.html
http://marc.info/?l=bugtraq&m=143740940810833&w=2
http://rhn.redhat.com/errata/RHSA-2015-1443.html
http://rhn.redhat.com/errata/RHSA-2015-1471.html
http://www.debian.org/security/2015/dsa-3304
http://www.securityfocus.com/bid/75588
http://www.securitytracker.com/id/1032799
http://www.ubuntu.com/usn/USN-2669-1

Get alerted when CVE-2015-4620 or the next vulnerability affects your stack