High7.5Red Hat & Ubuntu Linux Updated

CPU Denial of Service in HTML parser via repeated unterminated markup declarations

CVE-2026-15308 Published Jul 9, 2026Updated by vendor Jul 9, 2026

CVE-2026-15308

Affected products & platforms

Red Hat & Ubuntu LinuxUnclassified

Summary

CPU Denial of Service in HTML parser via repeated unterminated markup declarations. Red Hat rates this important (CVSS 7.5). Weakness: CWE-835. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.

Mitigation checklist

Recommended fix / mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Official advisory · high-confidence parse· fetched 3 minutes ago·verify at source

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