TNCVE-2026-5735 — Vulnetix

TNCVE-2026-5735 PUBLISHED

Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149.0.2 and Thunderbird 149.0.2.

Timeline

Apr 7, 2026 CVE Published

References

Tenable: CVE-2026-5735 advisory

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