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Oracle Linux 10 ruby4.0 Important Command Injection Risk ELSA-2026-20606

oracle
Calendar Grey July 20, 2026
Scroller Oracle
Critical Ruby updates released for Oracle Linux 10 address multiple vulnerabilities ensuring system integrity and security.
The following updated rpms for Oracle Linux 10 have been uploaded to the Unbreakable Linux Network:

Summary

[4.0.3-35] - Fix Net::IMAP ResponseReader quadratic complexity vulnerability (CVE-2026-42245) Includes core fix plus additional performance optimizations Resolves: RHEL-181675 - Fix Net::IMAP STARTTLS stripping vulnerability (CVE-2026-42246) Resolves: RHEL-181767 - Fix Net::IMAP command injection vulnerability via unvalidated Symbol arguments (CVE-2026-42258) Resolves: RHEL-181793 [4.0.3-34] - Upgrade to Ruby 4.0.3. Resolves: RHEL-171239 - Fix ERB: Arbitrary code execution via bypass (CVE-2026-41316) Resolves: RHEL-170910 - Fix JSON: Denial of Service or Information Disclosure via format string injection (CVE-2026-33210) Resolves: RHEL-173457

Topics%20covered

Topics Covered

security advisory package update important Oracle net-imap mysql2

SRPMs

http://oss.oracle.com/ol10/SRPMS-updates/ruby4.0-4.0.3-35.el10_2.src.rpm

x86_64

ruby4.0-4.0.3-35.el10_2.x86_64.rpm ruby4.0-devel-4.0.3-35.el10_2.x86_64.rpm ruby4.0-doc-4.0.3-35.el10_2.noarch.rpm ruby4.0-rubygem-mysql2-0.5.7-35.el10_2.x86_64.rpm ruby4.0-rubygem-pg-1.6.3-35.el10_2.x86_64.rpm

aarch64

ruby4.0-4.0.3-35.el10_2.aarch64.rpm ruby4.0-devel-4.0.3-35.el10_2.aarch64.rpm ruby4.0-doc-4.0.3-35.el10_2.noarch.rpm ruby4.0-rubygem-mysql2-0.5.7-35.el10_2.aarch64.rpm ruby4.0-rubygem-pg-1.6.3-35.el10_2.aarch64.rpm

Severity
important
Lowest
Low
Medium
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Critical

Related CVEs: CVE-2026-33210 CVE-2026-41316

Topics%20covered

Topics Covered

security advisory package update important Oracle net-imap mysql2

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