A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory, in Thunderbird < 52.4. This results in a potentially exploitable crash.
A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory, in Thunderbird < 52.4. This results in a potentially exploitable crash.
https://www.mozilla.org/en-US/security/advisories/mfsa2017-23/#CVE-2017-7819 https://bugzilla.mozilla.org/show_bug.cgi?id=1380292