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SoupWebsocketExtensionDeflate: libsoup: libsoup: WebSocket permessage-deflate Unbounded Decompression Remote Denial of Service

🗓️ 16 Sep 2026 17:18:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Unauthenticated DoS in libsoup WebSocket permessage-deflate via decompression bomb, OOM crash.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64libsoup33.6.5-3.el10_2.14libsoup3-3.6.5-3.el10_2.14.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lelibsoup33.6.5-3.el10_2.14libsoup3-3.6.5-3.el10_2.14.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xlibsoup33.6.5-3.el10_2.14libsoup3-3.6.5-3.el10_2.14.s390x.rpm
Red Hat Enterprise Linux10.2x86_64libsoup33.6.5-3.el10_2.14libsoup3-3.6.5-3.el10_2.14.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64libsoup3-debuginfo3.6.5-3.el10_2.14libsoup3-debuginfo-3.6.5-3.el10_2.14.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lelibsoup3-debuginfo3.6.5-3.el10_2.14libsoup3-debuginfo-3.6.5-3.el10_2.14.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xlibsoup3-debuginfo3.6.5-3.el10_2.14libsoup3-debuginfo-3.6.5-3.el10_2.14.s390x.rpm
Red Hat Enterprise Linux10.2x86_64libsoup3-debuginfo3.6.5-3.el10_2.14libsoup3-debuginfo-3.6.5-3.el10_2.14.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64libsoup3-debugsource3.6.5-3.el10_2.14libsoup3-debugsource-3.6.5-3.el10_2.14.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lelibsoup3-debugsource3.6.5-3.el10_2.14libsoup3-debugsource-3.6.5-3.el10_2.14.ppc64le.rpm
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16 Sep 2026 23:35Current
CVSS 3.17.5
EPSS0.00548
SSVC
4