Sometimes, when invalidating JIT code while following an iterator, the newly generated code could be overwritten incorrectly. This could lead to a potentially exploitable crash. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.
Link | Tags |
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https://www.mozilla.org/security/advisories/mfsa2023-09/ | vendor advisory |
https://www.mozilla.org/security/advisories/mfsa2023-10/ | vendor advisory |
https://www.mozilla.org/security/advisories/mfsa2023-11/ | vendor advisory |
https://bugzilla.mozilla.org/show_bug.cgi?id=1814899 | vendor advisory issue tracking permissions required |