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.

• CWE-20

• http://rhn.redhat.com/errata/RHSA-2016-1944.html
• http://rhn.redhat.com/errata/RHSA-2016-1945.html
• http://rhn.redhat.com/errata/RHSA-2016-2099.html
• http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.htmlThird Party Advisory
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.htmlThird Party Advisory
• http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlThird Party Advisory
• http://www.securityfocus.com/bid/93188
• http://www.securitytracker.com/id/1036903
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05321107Third Party Advisory
• https://kb.isc.org/article/AA-01419/0Vendor Advisory
• https://kb.isc.org/article/AA-01435
• https://kb.isc.org/article/AA-01436
• https://kb.isc.org/article/AA-01438
• https://security.FreeBSD.org/advisories/FreeBSD-SA-16:28.bind.asc
• https://security.gentoo.org/glsa/201610-07
• https://security.netapp.com/advisory/ntap-20160930-0001/
• https://www.exploit-db.com/exploits/40453/
• http://rhn.redhat.com/errata/RHSA-2016-1944.html
• http://rhn.redhat.com/errata/RHSA-2016-1945.html
• http://rhn.redhat.com/errata/RHSA-2016-2099.html
• http://www.oracle.com/technetwork/topics/security/bulletinoct2016-3090566.htmlThird Party Advisory
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.htmlThird Party Advisory
• http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.htmlThird Party Advisory
• http://www.securityfocus.com/bid/93188
• http://www.securitytracker.com/id/1036903
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05321107Third Party Advisory
• https://kb.isc.org/article/AA-01419/0Vendor Advisory
• https://kb.isc.org/article/AA-01435
• https://kb.isc.org/article/AA-01436
• https://kb.isc.org/article/AA-01438
• https://security.FreeBSD.org/advisories/FreeBSD-SA-16:28.bind.asc
• https://security.gentoo.org/glsa/201610-07
• https://security.netapp.com/advisory/ntap-20160930-0001/
• https://www.exploit-db.com/exploits/40453/

Published

Sep 28, 2016

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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