Critical9.1Vendor: HighRed Hat & Ubuntu Linux
Denial of Service or Information Disclosure via format string injection
CVE-2026-33210 Published Mar 20, 2026
CVE-2026-33210
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Denial of Service or Information Disclosure via format string injection. Red Hat rates this important (CVSS 9.1). Weakness: CWE-134. Affected package(s): ruby4.0, ruby:4.0. Resolved in Red Hat advisory RHSA-2026:20606 — update the affected packages (`sudo dnf update`).
Affected versions
- ruby4.0-0:4.0.3-34.el10_2
- ruby:4.0-9080020260513131334.9
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Fixed versions
- RHSA-2026:20606
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:20606 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
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