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resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses

🗓️ 21 Aug 2026 01:48:23Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Uncontrolled memory growth in resolv gem from crafted DNS responses causes DoS.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64ruby3.43.4.10-31.6.hum1ruby3.4-3.4.10-31.6.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64ruby3.43.4.10-31.6.hum1ruby3.4-3.4.10-31.6.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchruby3.4-default-gems3.4.10-31.6.hum1ruby3.4-default-gems-3.4.10-31.6.hum1.noarch.rpm

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03 Sep 2026 12:29Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00569
4