When importing resources using Web Workers, error messages would distinguish the difference between <code>application/javascript</code> responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6.
The product generates an error message that includes sensitive information about its environment, users, or associated data.
Link | Tags |
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https://www.mozilla.org/security/advisories/mfsa2022-05/ | vendor advisory |
https://www.mozilla.org/security/advisories/mfsa2022-04/ | vendor advisory |
https://www.mozilla.org/security/advisories/mfsa2022-06/ | vendor advisory |
https://bugzilla.mozilla.org/show_bug.cgi?id=1740985 | issue tracking vendor advisory |
https://bugzilla.mozilla.org/show_bug.cgi?id=1748503 | issue tracking vendor advisory |