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CVE-2023-4583

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CVE-2023-4583

Published: Sep 11, 2023

Modified: Dec 18, 2025

PUBLISHED

Description

When checking if the Browsing Context had been discarded in `HttpBaseChannel`, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.

VendorProductVersions

Mozilla

Firefox

affected
unspecified - < 117

Mozilla

Firefox ESR

affected
unspecified - < 115.2

Mozilla

Thunderbird

affected
unspecified - < 115.2

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