Oracle Errata System Oracle Linux 5.11 2026-09-29T18:36:52 Oracle Linux 9 ruby [3.3.12-9] - Fix memory exhaustion via unknown DNS resource types in resolv. (CVE-2026-80212) Resolves: RHEL-252039 [3.3.12-8] - Upgrade to Ruby 3.3.12. Resolves: RHEL-171335 Resolves: RHEL-193665 [3.3.10-7] - Fix DoS via crafted IMAP responses in net-imap. (CVE-2026-42245) Resolves: RHEL-181693 - Fix information disclosure via MITM attack bypassing TLS in net-imap. (CVE-2026-42246) Resolves: RHEL-181779 - Fix command injection via Symbol arguments in net-imap. (CVE-2026-42258) Resolves: RHEL-181811 [3.3.10-6] - Fix arbitrary code execution via deserialization bypass in ERB. (CVE-2026-41316) Resolves: RHEL-171257 [3.3.10-5] - Upgrade to Ruby 3.3.10. Resolves: RHEL-106821 - Fix possible denial of service in resolv gem (CVE-2025-24294) - Fix URI Credential Leakage Bypass previous fixes. (CVE-2025-61594) - Fix REXML denial of service. (CVE-2025-58767) Resolves: RHEL-126728 [3.3.8-4] - Upgrade to Ruby 3.3.8. Resolves: RHEL-68631 - Fix Net::IMAP vulnerable to possible DoS by memory exhaustion. (CVE-2025-25186) - Fix Denial of Service in CGI::Cookie.parse. (CVE-2025-27219) Resolves: RHEL-86109 - Fix userinfo leakage in URI#join, URI#merge and URI#+. (CVE-2025-27221) rubygem-mysql2 [0.5.5-3] - Disable tests on the 32bit platforms ix86. Related: RHEL-80222 [0.5.5-2] - Adapt tests to openssl 3.2 Resolves: RHEL-80222 [0.5.5-1] - Upgrade to mysql2 0.5.5. Related: RHEL-17089 rubygem-pg [-1.5.4-2] - Fix encoding issue in spec suite. Resolves: RHEL-159199 IMPORTANT Copyright 2026 Oracle, Inc. CVE-2026-80212 cpe:/a:oracle:linux:9::appstream