CVE-2019-6477

Summary

CVECVE-2019-6477
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2019-11-26 16:15:00 UTC
Updated2023-11-07 03:13:00 UTC
DescriptionWith pipelining enabled each incoming query on a TCP connection requires a similar resource allocation to a query received via UDP or via TCP without pipelining enabled. A client using a TCP-pipelined connection to a server could consume more resources than the server has been provisioned to handle. When a TCP connection with a large number of pipelined queries is closed, the load on the server releasing these multiple resources can cause it to become unresponsive, even for queries that can be answered authoritatively or from cache. (This is most likely to be perceived as an intermittent server problem).

Risk And Classification

Problem Types: CWE-400

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 30 All All All
Operating System Fedoraproject Fedora 31 All All All
Operating System Fedoraproject Fedora 30 All All All
Operating System Fedoraproject Fedora 31 All All All
Application Isc Bind 9.11.12 s1 All All
Application Isc Bind 9.11.5 s6 All All
Application Isc Bind 9.11.6 p1 All All
Application Isc Bind 9.11.6 rc1 All All
Application Isc Bind 9.12.4 p1 All All
Application Isc Bind 9.12.4 p2 All All
Application Isc Bind 9.11.12 s1 All All
Application Isc Bind 9.11.5 s6 All All
Application Isc Bind 9.11.6 p1 All All
Application Isc Bind 9.11.6 rc1 All All
Application Isc Bind 9.12.4 p1 All All
Application Isc Bind 9.12.4 p2 All All
Application Isc Bind All All All All
Application Isc Bind All All All All
Application Isc Bind All All All All

References

ReferenceSourceLinkTags
[security-announce] openSUSE-SU-2020:1699-1: moderate: Security update f SUSE lists.opensuse.org
[SECURITY] Fedora 30 Update: bind-dyndb-ldap-11.1-20.fc30 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org Third Party Advisory
support.f5.com/csp/article/K15840535 CONFIRM support.f5.com Third Party Advisory
[SECURITY] Fedora 30 Update: bind-dyndb-ldap-11.1-20.fc30 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 31 Update: bind-dyndb-ldap-11.2-2.fc31 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[security-announce] openSUSE-SU-2020:1701-1: moderate: Security update f SUSE lists.opensuse.org
myF5 support.f5.com
Synology Inc. CONFIRM www.synology.com Third Party Advisory
CVE-2019-6477: TCP-pipelined queries can bypass tcp-clients limit - Security Advisories CONFIRM kb.isc.org Third Party Advisory
Debian -- Security Information -- DSA-4689-1 bind9 DEBIAN www.debian.org
[SECURITY] Fedora 31 Update: bind-dyndb-ldap-11.2-2.fc31 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 296075 Oracle Solaris 11.4 Support Repository Update (SRU) 21.69.0 Missing (CPUAPR2020)
  • 377284 Alibaba Cloud Linux Security Update for bind (ALINUX2-SA-2020:0083)
  • 500057 Alpine Linux Security Update for bind
  • 503738 Alpine Linux Security Update for bind
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report