UpHeron
All vulnerabilities

Servers and applications

CVE-2016-2776

buffer.c in named in ISC BIND 9 before 9.9.9-P3, 9.10.x before 9.10.4-P3, and 9.11.x before 9.11.0rc3 does not properly construct responses, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted query.

Severity
High 7.5
Published
28 Sept 2016
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
89% 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 · No login needed · No user action needed
Attacker can
Take it down
CVSS vector
CVSS:3.0/AV:N/AC:L/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-rc1
  • Version 9.11.0-b3
  • Version 9.11.0-b2
  • Version 9.11.0-b1
All 40 release lines
  • Every version up to 9.9.9
  • Version 9.10.0-a1
  • Version 9.10.0-a2
  • Version 9.10.0-b1
  • Version 9.10.0-b2
  • Version 9.10.0-rc1
  • Version 9.10.0-rc2
  • Version 9.10.0
  • Version 9.10.0-p1
  • Version 9.10.0-p2
  • Version 9.10.1-b1
  • Version 9.10.1-b2
  • Version 9.10.1-rc1
  • Version 9.10.1-rc2
  • Version 9.10.1
  • Version 9.10.1-p1
  • Version 9.10.1-p2
  • Version 9.10.2-b1
  • Version 9.10.2-rc1
  • Version 9.10.2-rc2
  • Version 9.10.2-p1
  • Version 9.10.2-p2
  • Version 9.10.2-p3
  • Version 9.10.2-p4
  • Version 9.10.3-b1
  • Version 9.10.3-rc1
  • Version 9.10.3
  • Version 9.10.3-p1
  • Version 9.10.3-p2
  • Version 9.10.3-p3
  • Version 9.10.3-p4
  • Version 9.10.4-p2
  • Version 9.10.4-p3
  • Version 9.11.0-a1
  • Version 9.11.0-a2
  • Version 9.11.0-a3
  • Version 9.11.0-b1
  • Version 9.11.0-b2
  • Version 9.11.0-b3
  • Version 9.11.0-rc1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-2776
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-2776