CVE-2016-2775
bind: Too long query name causes segmentation fault in lwresd
Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · July 18, 2016
Updated · November 21, 2025
Description
It was found that the lightweight resolver protocol implementation in BIND could enter an infinite recursion and crash when asked to resolve a query name which, when combined with a search list entry, exceeds the maximum allowable length. A remote attacker could use this flaw to crash lwresd or named when using the "lwres" statement in named.conf.
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 3.0 · 5.9CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 · 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P
CWE-20 · Improper Input Validation