High
CVE-2026-5732
Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability affects Firefox < 14…
High
CVE-2026-5733
Incorrect boundary conditions in the Graphics: WebGPU component. This vulnerability affects Firefox < 149.0.2 and Thunde…
Critical
CVE-2026-5734
Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Som…
Critical
CVE-2026-5735
Memory safety bugs present in Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corr…
Medium
CVE-2026-3889
Spoofing issue in Thunderbird. This vulnerability affects Thunderbird < 149 and Thunderbird < 140.9.
High
CVE-2026-4371
A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside th…