High7.5Red Hat & Ubuntu Linux
Memory safety bugs fixed in Firefox 148 and Thunderbird 148
CVE-2026-2807 Published Feb 24, 2026
CVE-2026-2807
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Memory safety bugs fixed in Firefox 148 and Thunderbird 148. Red Hat rates this important (CVSS 7.5). 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 2 hours ago·verify at source
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