High7.8Vendor: MediumRed Hat & Ubuntu Linux
Stack buffer overflow allows local code execution or denial of service
CVE-2026-43958 Published Jun 1, 2026
CVE-2026-43958
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Stack buffer overflow allows local code execution or denial of service. Red Hat rates this moderate (CVSS 7.8). Weakness: CWE-121. Affected package(s): rrdtool. Resolved in Red Hat advisory RHSA-2026:34155 — update the affected packages (`sudo dnf update`).
Affected versions
- rrdtool-0:1.7.0-17.el8_10
- rrdtool-0:1.8.0-21.el10_2
- rrdtool-0:1.7.2-22.el9_8
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Fixed versions
- RHSA-2026:34155
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:34155 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
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