Updated Firefox and Thunderbird packages fix security vulnerabilities:
Out-of-bounds write in PathOps. (CVE-2023-5169)
Use-after-free in Ion Compiler. (CVE-2023-5171)
Memory safety bugs fixed in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. (CVE-2023-5176)
Heap buffer overflow in libvpx. (CVE-2023-5217)