[El-errata] ELSA-2026-72485 Important: Oracle Linux 9 ruby:3.3 security update

Thu Oct 1 14:26:12 UTC 2026

Oracle Linux Security Advisory ELSA-2026-72485

http://linux.oracle.com/errata/ELSA-2026-72485.html

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

x86_64:
ruby-3.3.12-9.module+el9.8.0+91048+2b421f43.i686.rpm
ruby-3.3.12-9.module+el9.8.0+91048+2b421f43.x86_64.rpm
ruby-bundled-gems-3.3.12-9.module+el9.8.0+91048+2b421f43.i686.rpm
ruby-bundled-gems-3.3.12-9.module+el9.8.0+91048+2b421f43.x86_64.rpm
ruby-default-gems-3.3.12-9.module+el9.8.0+91048+2b421f43.noarch.rpm
ruby-devel-3.3.12-9.module+el9.8.0+91048+2b421f43.i686.rpm
ruby-devel-3.3.12-9.module+el9.8.0+91048+2b421f43.x86_64.rpm
ruby-doc-3.3.12-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-bigdecimal-3.1.5-9.module+el9.8.0+91048+2b421f43.i686.rpm
rubygem-bigdecimal-3.1.5-9.module+el9.8.0+91048+2b421f43.x86_64.rpm
rubygem-bundler-2.5.22-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-io-console-0.7.1-9.module+el9.8.0+91048+2b421f43.i686.rpm
rubygem-io-console-0.7.1-9.module+el9.8.0+91048+2b421f43.x86_64.rpm
rubygem-irb-1.13.1-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-json-2.7.2-9.module+el9.8.0+91048+2b421f43.i686.rpm
rubygem-json-2.7.2-9.module+el9.8.0+91048+2b421f43.x86_64.rpm
rubygem-minitest-5.20.0-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-mysql2-0.5.5-3.module+el9.8.0+90984+bac48209.x86_64.rpm
rubygem-mysql2-doc-0.5.5-3.module+el9.8.0+90984+bac48209.noarch.rpm
rubygem-pg-1.5.4-2.module+el9.8.0+90984+bac48209.x86_64.rpm
rubygem-pg-doc-1.5.4-2.module+el9.8.0+90984+bac48209.noarch.rpm
rubygem-power_assert-2.0.3-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-psych-5.1.2-9.module+el9.8.0+91048+2b421f43.i686.rpm
rubygem-psych-5.1.2-9.module+el9.8.0+91048+2b421f43.x86_64.rpm
rubygem-racc-1.7.3-9.module+el9.8.0+91048+2b421f43.i686.rpm
rubygem-racc-1.7.3-9.module+el9.8.0+91048+2b421f43.x86_64.rpm
rubygem-rake-13.1.0-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-rbs-3.4.0-9.module+el9.8.0+91048+2b421f43.i686.rpm
rubygem-rbs-3.4.0-9.module+el9.8.0+91048+2b421f43.x86_64.rpm
rubygem-rdoc-6.6.3.1-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-rexml-3.4.4-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-rss-0.3.1-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygems-3.5.22-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygems-devel-3.5.22-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-test-unit-3.6.1-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-typeprof-0.21.9-9.module+el9.8.0+91048+2b421f43.noarch.rpm
ruby-libs-3.3.12-9.module+el9.8.0+91048+2b421f43.i686.rpm
ruby-libs-3.3.12-9.module+el9.8.0+91048+2b421f43.x86_64.rpm

aarch64:
ruby-3.3.12-9.module+el9.8.0+91048+2b421f43.aarch64.rpm
ruby-bundled-gems-3.3.12-9.module+el9.8.0+91048+2b421f43.aarch64.rpm
ruby-default-gems-3.3.12-9.module+el9.8.0+91048+2b421f43.noarch.rpm
ruby-devel-3.3.12-9.module+el9.8.0+91048+2b421f43.aarch64.rpm
ruby-doc-3.3.12-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-bigdecimal-3.1.5-9.module+el9.8.0+91048+2b421f43.aarch64.rpm
rubygem-bundler-2.5.22-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-io-console-0.7.1-9.module+el9.8.0+91048+2b421f43.aarch64.rpm
rubygem-irb-1.13.1-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-json-2.7.2-9.module+el9.8.0+91048+2b421f43.aarch64.rpm
rubygem-minitest-5.20.0-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-mysql2-0.5.5-3.module+el9.8.0+90984+bac48209.aarch64.rpm
rubygem-mysql2-doc-0.5.5-3.module+el9.8.0+90984+bac48209.noarch.rpm
rubygem-pg-1.5.4-2.module+el9.8.0+90984+bac48209.aarch64.rpm
rubygem-pg-doc-1.5.4-2.module+el9.8.0+90984+bac48209.noarch.rpm
rubygem-power_assert-2.0.3-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-psych-5.1.2-9.module+el9.8.0+91048+2b421f43.aarch64.rpm
rubygem-racc-1.7.3-9.module+el9.8.0+91048+2b421f43.aarch64.rpm
rubygem-rake-13.1.0-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-rbs-3.4.0-9.module+el9.8.0+91048+2b421f43.aarch64.rpm
rubygem-rdoc-6.6.3.1-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-rexml-3.4.4-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-rss-0.3.1-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygems-3.5.22-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygems-devel-3.5.22-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-test-unit-3.6.1-9.module+el9.8.0+91048+2b421f43.noarch.rpm
rubygem-typeprof-0.21.9-9.module+el9.8.0+91048+2b421f43.noarch.rpm
ruby-libs-3.3.12-9.module+el9.8.0+91048+2b421f43.aarch64.rpm

SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates/ruby-3.3.12-9.module+el9.8.0+91048+2b421f43.src.rpm
http://oss.oracle.com/ol9/SRPMS-updates/rubygem-mysql2-0.5.5-3.module+el9.8.0+90984+bac48209.src.rpm
http://oss.oracle.com/ol9/SRPMS-updates/rubygem-pg-1.5.4-2.module+el9.8.0+90984+bac48209.src.rpm

Related CVEs:

CVE-2026-80212

Description of changes:

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