Mozilla Firefox 150 Released With Fixes for Multiple Code Execution Vulnerabilities

This report enumerates numerous CVEs affecting Firefox, Thunderbird, and ESR builds (CVE-2026-6746–CVE-2026-6786), including multiple high-severity memory-safety issues (use-after-free, uninitialized memory), privilege escalation, and information-disclosure vulnerabilities; several fixes are indicated as included in Firefox 150, Thunderbird 150, and ESR updates. The listing is purely advisory with no details of active exploitation or indicators of compromise.