Oracle Errata System Oracle Linux 5.11 2026-09-29T18:36:49 Oracle Linux 9 ruby [4.0.6-35] - Fix resolv: do not register on-demand classes for unknown DNS types and SvcParamKeys to prevent memory exhaustion (CVE-2026-80212) Resolves: RHEL-252035 [4.0.6-34] - Upgrade to Ruby 4.0.6. Resolves: RHEL-211301 Resolves: RHEL-193663 [4.0.3-33] - Fix Net::IMAP ResponseReader quadratic complexity vulnerability. (CVE-2026-42245) Resolves: RHEL-181690 - Fix Net::IMAP STARTTLS stripping vulnerability. (CVE-2026-42246) Resolves: RHEL-181771 - Fix Net::IMAP command injection vulnerability via unvalidated Symbol arguments. (CVE-2026-42258) Resolves: RHEL-181803 [4.0.3-32] - Upgrade to Ruby 4.0.3. Resolves: RHEL-171933 - Fix ERB: Arbitrary code execution via deserialization bypass (CVE-2026-41316) Resolves: RHEL-171258 - Fix JSON: Denial of Service or Information Disclosure via format string injection (CVE-2026-33210) Resolves: RHEL-173458 [4.0.1-31] - Upgrade to Ruby 4.0.1. Resolves: RHEL-142278 [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 [0.5.7-1] - Upgrade to mysql2 0.5.7. Related: RHEL-142278 [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 rubygem-pg [1.6.3-1] - Upgrade to pg 1.6.3 Related: RHEL-142278 IMPORTANT Copyright 2026 Oracle, Inc. CVE-2026-80212 cpe:/a:oracle:linux:9::appstream