LZ4 compression library issue. (CVE-2025-62813) libexpat before 2.7.5 allows a NULL pointer dereference with empty external parameter entity content. (CVE-2026-32776) libexpat before 2.7.5 allows an infinite loop while parsing DTD content. (CVE-2026-32777) libexpat before 2.7.5 allows a NULL pointer dereference in the function setContext on retry after an earlier ouf-of-memory condition. (CVE-2026-32778) Use-after-free in the DOM: Networking component. (CVE-2026-8090) Memory safety bugs fixed in Firefox ESR 115.35.2, Firefox ESR 140.10.2, Firefox 150.0.2, Thunderbird ESR 140.10.2 and Thunderbird 150.0.2. (CVE-2026-8092) Another issue in the WebRTC component. (CVE-2026-8094)