Critical9.6Vendor: HighRed Hat & Ubuntu Linux

Out of bounds read and write in WebAudio

CVE-2026-4459 Published Mar 18, 2026

CVE-2026-4459

Affected products & platforms

Red Hat & Ubuntu LinuxUnclassified

Summary

Out of bounds read and write in WebAudio. Red Hat rates this important (CVSS 9.6). Weakness: CWE-125. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.

Mitigation checklist

Recommended fix / mitigation

Red Hat rates this important; a fix erratum may not be out yet — apply the RHSA as soon as it publishes.

Official advisory · high-confidence parse· fetched 1 day ago·verify at source

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