A security issue has been found in Firefox before 83.0 where, during browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash.
A security issue has been found in Firefox before 83.0 where, during browser shutdown, reference decrementing could have occured on a previously freed object, resulting in a use-after-free, memory corruption, and a potentially exploitable crash.
https://www.mozilla.org/en-US/security/advisories/mfsa2020-50/#CVE-2020-26959 https://bugzilla.mozilla.org/show_bug.cgi?id=1669466