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CVE-2016-2088

bind: malformed packet containing multiple cookie options can trigger assertion failure

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Severity

Important

Red Hat Product Security

5

CVSS 2.0

Review impact separately from score.

Published · March 9, 2016

Updated · January 9, 2026

Description

resolver.c in named in ISC BIND 9.10.x before 9.10.3-P4, when DNS cookies are enabled, allows remote attackers to cause a denial of service (INSIST assertion failure and daemon exit) via a malformed packet with more than one cookie option.

Statement

This issue did not affect the versions of bind97 as shipped with Red Hat Enterprise Linux 5 and bind as shipped with Red Hat Enterprise Linux 5, 6, and 7 as they did not include support for DNS cookies.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 2.0 · 5
AV:N/AC:L/Au:N/C:N/I:N/A:P

CWE-617 · Reachable Assertion