UpHeron
All vulnerabilities

Servers and applications

CVE-2016-2775

ISC BIND 9.x before 9.9.9-P2, 9.10.x before 9.10.4-P2, and 9.11.x before 9.11.0b2, when lwresd or the named lwres option is enabled, allows remote attackers to cause a denial of service (daemon crash) via a long request that uses the lightweight resolver protocol.

Severity
Medium 5.9
Published
19 Jul 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
63% in the next 30 daysHigher than 99% of CVEs. EPSS by FIRST, 11 Nov 2026
Weakness
Improper input validation (CWE-20)
Attack
Over the network · Only under certain conditions · No login needed · No user action needed
Attacker can
Take it down
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Sources
NVD

Affected software

SoftwareAffected versions
BIND 9Servers and applications · cpe:a:isc:bind
  • Version 9.11.0
  • Version 9.11.0-beta1
  • Version 9.11.0-alpha3
  • Version 9.11.0-alpha2
All 19 release lines
  • From 9.0 up to 9.9.8
  • Version 9.9.9-b1
  • Version 9.9.9-b2
  • Version 9.9.9-rc1
  • Version 9.9.9-s1rc1
  • Version 9.9.9
  • Version 9.9.9-p1
  • Version 9.9.9-s1
  • From 9.10.0 up to 9.10.3
  • Version 9.10.4-beta1
  • Version 9.10.4-beta2
  • Version 9.10.4-beta3
  • Version 9.10.4
  • Version 9.10.4-p1
  • Version 9.11.0-alpha1
  • Version 9.11.0-alpha2
  • Version 9.11.0-alpha3
  • Version 9.11.0-beta1
  • Version 9.11.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-2775
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-2775