Uninitialized memory in a canvas object could have caused an incorrect free() leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.
oryginał ENCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HMozilla Firefox
APPMozilla< 91.0Mozilla Firefox Esr
APPMozilla< 78.13.0Mozilla Thunderbird
APPMozilla< 78.13.0
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