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openssl: QUIC ACK-only packet retention can cause memory exhaustion

🗓️ 14 Sep 2026 06:35:58Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

OpenSSL QUIC retains ACK-only packet metadata causing memory exhaustion and DoS.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64openssl1:3.5.8-1.el10_2openssl-1:3.5.8-1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64leopenssl1:3.5.8-1.el10_2openssl-1:3.5.8-1.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xopenssl1:3.5.8-1.el10_2openssl-1:3.5.8-1.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64openssl1:3.5.8-1.el10_2openssl-1:3.5.8-1.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64openssl-debuginfo1:3.5.8-1.el10_2openssl-debuginfo-1:3.5.8-1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64leopenssl-debuginfo1:3.5.8-1.el10_2openssl-debuginfo-1:3.5.8-1.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xopenssl-debuginfo1:3.5.8-1.el10_2openssl-debuginfo-1:3.5.8-1.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64openssl-debuginfo1:3.5.8-1.el10_2openssl-debuginfo-1:3.5.8-1.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64openssl-debugsource1:3.5.8-1.el10_2openssl-debugsource-1:3.5.8-1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64leopenssl-debugsource1:3.5.8-1.el10_2openssl-debugsource-1:3.5.8-1.el10_2.ppc64le.rpm
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