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nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination

🗓️ 13 Apr 2026 03:00:22Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 8 Views

Nghttp2 DoS after session termination due to missing state validation on incoming frames.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8.10aarch64nodejs1:24.14.1-2.module+el8.10.0+24190+49a46c75nodejs-1:24.14.1-2.module+el8.10.0+24190+49a46c75.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lenodejs1:24.14.1-2.module+el8.10.0+24190+49a46c75nodejs-1:24.14.1-2.module+el8.10.0+24190+49a46c75.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xnodejs1:24.14.1-2.module+el8.10.0+24190+49a46c75nodejs-1:24.14.1-2.module+el8.10.0+24190+49a46c75.s390x.rpm
Red Hat Enterprise Linux8.10x86_64nodejs1:24.14.1-2.module+el8.10.0+24190+49a46c75nodejs-1:24.14.1-2.module+el8.10.0+24190+49a46c75.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64nodejs-debuginfo1:24.14.1-2.module+el8.10.0+24190+49a46c75nodejs-debuginfo-1:24.14.1-2.module+el8.10.0+24190+49a46c75.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lenodejs-debuginfo1:24.14.1-2.module+el8.10.0+24190+49a46c75nodejs-debuginfo-1:24.14.1-2.module+el8.10.0+24190+49a46c75.ppc64le.rpm
Red Hat Enterprise Linux8.10s390xnodejs-debuginfo1:24.14.1-2.module+el8.10.0+24190+49a46c75nodejs-debuginfo-1:24.14.1-2.module+el8.10.0+24190+49a46c75.s390x.rpm
Red Hat Enterprise Linux8.10x86_64nodejs-debuginfo1:24.14.1-2.module+el8.10.0+24190+49a46c75nodejs-debuginfo-1:24.14.1-2.module+el8.10.0+24190+49a46c75.x86_64.rpm
Red Hat Enterprise Linux8.10aarch64nodejs-debugsource1:24.14.1-2.module+el8.10.0+24190+49a46c75nodejs-debugsource-1:24.14.1-2.module+el8.10.0+24190+49a46c75.aarch64.rpm
Red Hat Enterprise Linux8.10ppc64lenodejs-debugsource1:24.14.1-2.module+el8.10.0+24190+49a46c75nodejs-debugsource-1:24.14.1-2.module+el8.10.0+24190+49a46c75.ppc64le.rpm
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11 Sep 2026 04:11Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.17.5
EPSS0.00775
SSVC
CWE-617
denial of servicemalformed framessession terminationstate validationunix
8