CVE-2025-11719 — Use-after-free caused by the native messaging web extension API on Windows
Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerabilit…
Published: 2025-10-14 · CVSS: 9.8 · CVSS 3.1
Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability was fixed in Firefox 144 and Thunderbird 144.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7