A use-after-free vulnerability can occur in the Fetch API of Thunderbird < 52.4, when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash.
A use-after-free vulnerability can occur in the Fetch API of Thunderbird < 52.4, when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash.
https://www.mozilla.org/en-US/security/advisories/mfsa2017-23/#CVE-2017-7793 https://bugzilla.mozilla.org/show_bug.cgi?id=1371889