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openssl: openssl: Denial of Service via inefficient QUIC stream reassembly

🗓️ 30 Sep 2026 23:32:42Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 6 Views

Remote DoS in OpenSSL via inefficient QUIC stream reassembly consumes excessive CPU.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64openssl3.5.9-0.1.hum1openssl-3.5.9-0.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64openssl3.5.9-0.1.hum1openssl-3.5.9-0.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64openssl-config-fips3.5.9-0.1.hum1openssl-config-fips-3.5.9-0.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64openssl-config-fips3.5.9-0.1.hum1openssl-config-fips-3.5.9-0.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64openssl-devel3.5.9-0.1.hum1openssl-devel-3.5.9-0.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64openssl-devel3.5.9-0.1.hum1openssl-devel-3.5.9-0.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64openssl-devel-engine3.5.9-0.1.hum1openssl-devel-engine-3.5.9-0.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64openssl-devel-engine3.5.9-0.1.hum1openssl-devel-engine-3.5.9-0.1.hum1.x86_64.rpm
Red Hat Hardened Imagesanyaarch64openssl-fips-provider-upstream3.5.9-0.1.hum1openssl-fips-provider-upstream-3.5.9-0.1.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64openssl-fips-provider-upstream3.5.9-0.1.hum1openssl-fips-provider-upstream-3.5.9-0.1.hum1.x86_64.rpm
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04 Oct 2026 20:26Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.3
EPSS0.0033
SSVC
6