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Oracle Linux 10 Ruby4.0 Security Command Injection Updates ELSA-2026-33540

oracle
Calendar Grey July 17, 2026
Scroller Oracle
Recent updates for Oracle Linux 10 include patches for important vulnerabilities in ruby4 addressing various issues.
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 important information disclosure command injection Oracle ruby4

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
High
Critical

Related CVEs: CVE-2026-42245 CVE-2026-42246 CVE-2026-42258

Topics%20covered

Topics Covered

security advisory important information disclosure command injection Oracle ruby4

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