CVE-2023-5176 (debian_linux, firefox, firefox_esr, thunderbird)

Memory safety bugs present in Firefox 117, Firefox ESR 115.2, and Thunderbird 115.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 118, Firefox ESR < 115.3, and Thunderbird < 115.3.

arbitrary code bugs code corruption cve esr exploited firefox firefox 117 memory memory corruption memory safety run safety thunderbird vulnerability