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9.1 Critical

CVE-2026-92038 Mitigation bypass in the Remote Settings Client component

Description

Mitigation bypass in the Remote Settings Client component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.

Affected products and versions

Product Affected versions Fixed in
Firefox 156 earliest → < 156 156
Firefox 153.3 earliest → < 153.3 153.3
Thunderbird 156 earliest → < 156 156
Thunderbird 153.3 earliest → < 153.3 153.3

References

Timeline

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