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CVE-2026-80212 - Memory exhaustion through malicious DNS responses

🗓️ 27 Aug 2026 00:00:00Reported by RubySecType 
rubygems
 rubygems
🔗 rubysec.com👁 17 Views

Memory exhaustion DoS via unbounded retention of DNS responses from attacker-controlled servers.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus
Amazon Linux 2023 : ruby4.0, ruby4.0-bundled-gems, ruby4.0-default-gems (ALAS2023-2026-2144)
14 Sep 202600:00
–nessus
nessus
Tenable Nessus
Amazon Linux 2023 : ruby3.4, ruby3.4-bundled-gems, ruby3.4-default-gems (ALAS2023-2026-2145)
14 Sep 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 10.2 [CIQ] Security Update: ruby4.0 / ruby4.0-debuginfo / ruby4.0-debugsource / ruby4.0-devel / etc (crlsa-2026_72427)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 10.2 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc (crlsa-2026_72785)
3 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 8 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc (crlsa-2026_72285)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 8 [CIQ] Security Update: ruby / ruby-debuginfo / ruby-debugsource / ruby-devel / ruby-doc / etc Multiple Vulnerabilities (crlsa-2026_73519)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 9 [CIQ] Security Update: ruby / ruby-debuginfo / ruby-debugsource / ruby-default-gems / etc (crlsa-2026_72286)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 9 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc (crlsa-2026_72484)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Rocky Linux 9 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc (crlsa-2026_72485)
1 Oct 202600:00
–nessus
nessus
Tenable Nessus
Fedora 44 : rubygems (2026-2857104379)
15 Sep 202600:00
–nessus
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Vulners
Node
OR
rubyresolvRange0.3.0–0.3.2
rubyresolvRange≤0.7.2

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27 Aug 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.00401
17