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

🗓️ 30 Jun 2026 14:25:52Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

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

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Images20251124aarch64ruby3.43.4.8-31.2.hum1ruby3.4-3.4.8-31.2.hum1.aarch64.rpm
Red Hat Hardened Images20251124x86_64ruby3.43.4.8-31.2.hum1ruby3.4-3.4.8-31.2.hum1.x86_64.rpm
Red Hat Hardened Images20251124noarchruby3.4-default-gems3.4.8-31.2.hum1ruby3.4-default-gems-3.4.8-31.2.hum1.noarch.rpm

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13 Jul 2026 05:10Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
CVSS 42.3
EPSS0.0041
SSVC
2