Race condition in Mozilla Thunderbird
Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free.
thunderbird security update
Released 2020-04-16 · Red Hat rating Important · View on Red Hat →
Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free.
Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free.
Mozilla developers and community members Tyson Smith and Christian Holler reported memory safety bugs present in Firefox 74 and Firefox ESR 68.6.
On 32-bit builds, an out of bounds write could have occurred when processing an image larger than 4 GB in <code>GMPDecodeData</code>.
When reading from areas partially or fully outside the source resource with WebGL's <code>copyTexSubImage</code> method, the specification requires the returned values be zero.