CVE-2016-8740

Summary

CVECVE-2016-8740
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-12-05 19:59:00 UTC
Updated2023-11-07 02:36:00 UTC
DescriptionThe mod_http2 module in the Apache HTTP Server 2.4.17 through 2.4.23, when the Protocols configuration includes h2 or h2c, does not restrict request-header length, which allows remote attackers to cause a denial of service (memory consumption) via crafted CONTINUATION frames in an HTTP/2 request.

Risk And Classification

Problem Types: CWE-20 | CWE-399

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Apache Http Server 2.4.17 All All All
Application Apache Http Server 2.4.18 All All All
Application Apache Http Server 2.4.19 All All All
Application Apache Http Server 2.4.20 All All All
Application Apache Http Server 2.4.21 All All All
Application Apache Http Server 2.4.22 All All All
Application Apache Http Server 2.4.23 All All All
Application Apache Http Server 2.4.17 All All All
Application Apache Http Server 2.4.18 All All All
Application Apache Http Server 2.4.19 All All All
Application Apache Http Server 2.4.20 All All All
Application Apache Http Server 2.4.21 All All All
Application Apache Http Server 2.4.22 All All All
Application Apache Http Server 2.4.23 All All All

References

ReferenceSourceLinkTags
Pony Mail! lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! lists.apache.org
Red Hat Customer Portal REDHAT access.redhat.com
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! lists.apache.org
About the security content of macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, and Security Update 2017-004 El Capitan - Apple Support CONFIRM support.apple.com
Pony Mail! lists.apache.org
Red Hat Customer Portal REDHAT access.redhat.com
Pony Mail! MLIST lists.apache.org
December 2016 Apache HTTP Server Vulnerabilities in Multiple NetApp Products | NetApp Product Security CONFIRM security.netapp.com
Pony Mail! lists.apache.org
Pony Mail! lists.apache.org
Apache HTTPD HTTP/2 Header Processing Lets Remote Users Consume Excessive Memory Resources - SecurityTracker SECTRACK www.securitytracker.com Third Party Advisory, VDB Entry
Apache HTTPD Web Server 2.4.23 Memory Exhaustion ≈ Packet Storm MISC packetstormsecurity.com Exploit, Third Party Advisory, VDB Entry
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
[R5] SecurityCenter 5.4.3 Fixes Multiple Vulnerabilities - Security Advisory | Tenable Network Security CONFIRM www.tenable.com
Pony Mail! lists.apache.org
Apache 2.4.23 (mod_http2) - Denial of Service EXPLOIT-DB www.exploit-db.com Exploit, Third Party Advisory, VDB Entry
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
Red Hat Customer Portal REDHAT access.redhat.com
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! lists.apache.org
Document Display | HPE Support Center CONFIRM h20566.www2.hpe.com
SECURITY: CVE-2016-8740 · apache/httpd@29c63b7 · GitHub CONFIRM github.com Issue Tracking, Patch, Third Party Advisory
Pony Mail! MLIST lists.apache.org
Red Hat Customer Portal REDHAT rhn.redhat.com
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
Apache HTTP Server CVE-2016-8740 Denial of Service Vulnerability BID www.securityfocus.com Third Party Advisory, VDB Entry
Pony Mail! MLIST lists.apache.org
Apache: Multiple vulnerabilities (GLSA 201701-36) — Gentoo security GENTOO security.gentoo.org
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! lists.apache.org
Pony Mail! MLIST lists.apache.org
Pony Mail! MLIST lists.apache.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 710461 Gentoo Linux Apache Multiple Vulnerabilities (GLSA 201701-36)
© 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