CVE-2026-2766-but-with-wasm

CVE-2026-2766, but with wasm Status: validated crash PoC with demonstrated control-flow hijack crashpc = freed-cell poison 0xcdcdcdcdcdcdcdcd under the debug shell — the engine jumps to a pointer read out of the freed ICScript. Remaining work: control the reclaimed bytes. See research/README.md. ...

CVE-2026-74984

Race condition in the JavaScript Engine component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

AlmaLinux 10 : thunderbird (ALSA-2026:3517)

The remote AlmaLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:3517 advisory. libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox: Invalid pointer in the JavaScript Engine component CVE-2026-2785 firefox: Memory safety bug...

MiracleLinux 9 : thunderbird-140.8.0-1.el9_7.ML.1 (AXSA:2026-264:05)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-264:05 advisory. libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox: Invalid pointer in the JavaScript Engine component CVE-2026-2785 firefox: Memory safety...

MiracleLinux 9 : firefox-140.8.0-2.el9_7.ML.1 (AXSA:2026-241:03)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-241:03 advisory. libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox: Invalid pointer in the JavaScript Engine component CVE-2026-2785 firefox: Memory safety...

AlmaLinux 9 : firefox (ALSA-2026:3339)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:3339 advisory. libvpx: Heap buffer overflow in libvpx CVE-2026-2447 firefox: Invalid pointer in the JavaScript Engine component CVE-2026-2785 firefox: Memory safety bugs...