A race condition could lead to a cross-origin container obtaining permissions of the top-level origin. This vulnerability affects Firefox < 128, Firefox ESR < 115.13, Thunderbird < 115.13, and Thunderbird < 128.
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.
| Link | Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1890748 | issue tracking |
| https://www.mozilla.org/security/advisories/mfsa2024-29/ | vendor advisory |
| https://www.mozilla.org/security/advisories/mfsa2024-30/ | vendor advisory |
| https://www.mozilla.org/security/advisories/mfsa2024-31/ | vendor advisory |
| https://www.mozilla.org/security/advisories/mfsa2024-32/ | vendor advisory |