Missing thread synchronization primitives could have led to a data race on members of the PlaybackParams structure. This vulnerability affects Firefox < 133 and Thunderbird < 133.
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Link | Tags |
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https://bugzilla.mozilla.org/show_bug.cgi?id=1922912 | issue tracking |
https://www.mozilla.org/security/advisories/mfsa2024-63/ | vendor advisory |
https://www.mozilla.org/security/advisories/mfsa2024-67/ | vendor advisory |