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9.1 Critical

CVE-2024-7525 It was possible for a web extension with minimal permissions to create a `StreamFilter` which could be used to read…

Description

It was possible for a web extension with minimal permissions to create a `StreamFilter` which could be used to read and modify the response body of requests on any site. This vulnerability affects Firefox < 129, Firefox ESR < 115.14, Firefox ESR < 128.1, Thunderbird < 128.1, and Thunderbird < 115.14.

Affected products and versions

Product Affected versions Fixed in
Firefox 129 earliest → < 129 129
Firefox ESR 128.1 earliest → < 128.1 128.1
Thunderbird 115.14 earliest → < 115.14 115.14
firefox_esr 128.1 earliest → < 128.1 128.1
firefox_esr 115.14 earliest → < 115.14 115.14

References

Timeline

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