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ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses

🗓️ 30 Jun 2026 16:27:38Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 7 Views

Net::IMAP DoS: crafted large IMAP responses cause quadratic processing in ResponseReader, exhausting CPU.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64ruby3.3.10-13.el10_2ruby-3.3.10-13.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64leruby3.3.10-13.el10_2ruby-3.3.10-13.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xruby3.3.10-13.el10_2ruby-3.3.10-13.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64ruby3.3.10-13.el10_2ruby-3.3.10-13.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64ruby-bundled-gems3.3.10-13.el10_2ruby-bundled-gems-3.3.10-13.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64leruby-bundled-gems3.3.10-13.el10_2ruby-bundled-gems-3.3.10-13.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xruby-bundled-gems3.3.10-13.el10_2ruby-bundled-gems-3.3.10-13.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64ruby-bundled-gems3.3.10-13.el10_2ruby-bundled-gems-3.3.10-13.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64ruby-bundled-gems-debuginfo3.3.10-13.el10_2ruby-bundled-gems-debuginfo-3.3.10-13.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64leruby-bundled-gems-debuginfo3.3.10-13.el10_2ruby-bundled-gems-debuginfo-3.3.10-13.el10_2.ppc64le.rpm
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22 Jul 2026 00:47Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
CVSS 42.3
EPSS0.0041
SSVC
7