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httpd: httpd: HTTP/2 Remote Denial of Service via compression bomb and Slowloris-style attack

🗓️ 10 Jun 2026 11:31:57Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 11 Views

HTTP/2 remote denial of service via HPACK compression bomb and zero-byte flow control window.

Related
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Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD		Apache httpd -- DoS exploit in HTTP/2
2 Jun 202600:00
–freebsd
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GithubExploit		Exploit for Memory Allocation with Excessive Size Value in Apache Http_Server
5 Jul 202620:50
–githubexploit
githubexploit
GithubExploit		Exploit for Memory Allocation with Excessive Size Value in Apache Http_Server
18 Jun 202613:17
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githubexploit
GithubExploit		Exploit for CVE-2026-49975
10 Jun 202612:52
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githubexploit
GithubExploit		Exploit for CVE-2026-49975
4 Jun 202606:22
–githubexploit
githubexploit
GithubExploit		Exploit for Memory Allocation with Excessive Size Value in Apache Http_Server
10 Jun 202605:06
–githubexploit
githubexploit
GithubExploit		Exploit for Memory Allocation with Excessive Size Value in Apache Http_Server
13 Jun 202604:05
–githubexploit
githubexploit
GithubExploit		Exploit for Memory Allocation with Excessive Size Value in Apache Http_Server
13 Jun 202617:05
–githubexploit
ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in IBM SevOne Network Performance Management for July 2026
23 Jul 202617:18
–ibm
attackerkb
ATTACKERKB		CVE-2026-49975
8 Jun 202615:26
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64mod_http22.0.26-6.el9_8.1mod_http2-2.0.26-6.el9_8.1.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lemod_http22.0.26-6.el9_8.1mod_http2-2.0.26-6.el9_8.1.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xmod_http22.0.26-6.el9_8.1mod_http2-2.0.26-6.el9_8.1.s390x.rpm
Red Hat Enterprise Linux9.8x86_64mod_http22.0.26-6.el9_8.1mod_http2-2.0.26-6.el9_8.1.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64mod_http2-debuginfo2.0.26-6.el9_8.1mod_http2-debuginfo-2.0.26-6.el9_8.1.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lemod_http2-debuginfo2.0.26-6.el9_8.1mod_http2-debuginfo-2.0.26-6.el9_8.1.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xmod_http2-debuginfo2.0.26-6.el9_8.1mod_http2-debuginfo-2.0.26-6.el9_8.1.s390x.rpm
Red Hat Enterprise Linux9.8x86_64mod_http2-debuginfo2.0.26-6.el9_8.1mod_http2-debuginfo-2.0.26-6.el9_8.1.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64mod_http2-debugsource2.0.26-6.el9_8.1mod_http2-debugsource-2.0.26-6.el9_8.1.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lemod_http2-debugsource2.0.26-6.el9_8.1mod_http2-debugsource-2.0.26-6.el9_8.1.ppc64le.rpm
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09 Jul 2026 22:58Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.5
EPSS0.27984
SSVC
CWE-409
http two protocolremote denial servicehpack compression bombzero byte window
11