Medium [CVE-2026-45149] Denial of Service due to excessive memory allocation when expanding large numeric ranges
This medium-severity Red Hat Linux advisory covers CVE-2026-45149 affecting nodejs20-main, rust-main, llvm21-main.
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Summary
Denial of Service due to excessive memory allocation when expanding large numeric ranges. Red Hat rates this moderate (CVSS 6.5).
Weakness: CWE-770. Affected package(s): nodejs20-main, rust-main, llvm21-main, nodejs26-main, nodejs25-main, yarnpkg-main.
Resolved in Red Hat advisory RHSA-2026:22380 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Enterprise Linux.
- nodejs20-main-20.20.2-1.hum1
- rust-main-1.96.0-1.hum1
- llvm21-main-21.1.8-6.hum1
- nodejs26-main-26.3.0-1.2.hum1
- nodejs25-main-25.9.0-1.1.hum1
- yarnpkg-main-1.22.22-18.1.hum1
- llvm-main-21.1.8-1.1.hum1
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:22380
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:22380 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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