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golang: net/http: excessive memory growth in a Go server accepting HTTP/2 requests

🗓️ 18 May 2023 00:14:06Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 27 Views

A flaw in net/http allows memory growth on http two servers via large header keys, allocating about 64 MiB per connection.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64cri-o1.26.3-3.rhaos4.13.git641290e.el9cri-o-1.26.3-3.rhaos4.13.git641290e.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lecri-o1.26.3-3.rhaos4.13.git641290e.el9cri-o-1.26.3-3.rhaos4.13.git641290e.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xcri-o1.26.3-3.rhaos4.13.git641290e.el9cri-o-1.26.3-3.rhaos4.13.git641290e.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64cri-o1.26.3-3.rhaos4.13.git641290e.el9cri-o-1.26.3-3.rhaos4.13.git641290e.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64cri-o-debuginfo1.26.3-3.rhaos4.13.git641290e.el9cri-o-debuginfo-1.26.3-3.rhaos4.13.git641290e.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lecri-o-debuginfo1.26.3-3.rhaos4.13.git641290e.el9cri-o-debuginfo-1.26.3-3.rhaos4.13.git641290e.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xcri-o-debuginfo1.26.3-3.rhaos4.13.git641290e.el9cri-o-debuginfo-1.26.3-3.rhaos4.13.git641290e.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64cri-o-debuginfo1.26.3-3.rhaos4.13.git641290e.el9cri-o-debuginfo-1.26.3-3.rhaos4.13.git641290e.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64cri-o-debugsource1.26.3-3.rhaos4.13.git641290e.el9cri-o-debugsource-1.26.3-3.rhaos4.13.git641290e.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lecri-o-debugsource1.26.3-3.rhaos4.13.git641290e.el9cri-o-debugsource-1.26.3-3.rhaos4.13.git641290e.el9.ppc64le.rpm
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16 Jul 2026 02:05Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.15.3
EPSS0.05623
CWE-770
net http flawhttp two serverslarge header keysmemory growthper connection
27