Use-after-free vulnerability in Thunderbird and Firefox versions < 58 during mouse event handling

CVE-2018-5103 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

A use-after-free vulnerability can occur during mouse event handling due to issues with multiprocess support. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.

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