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CVE-2021-29964

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CVE-2021-29964

Published: Jun 24, 2021

Modified: Aug 3, 2024

PUBLISHED

Description

A locally-installed hostile program could send `WM_COPYDATA` messages that Firefox would process incorrectly, leading to an out-of-bounds read. *This bug only affects Firefox on Windows. Other operating systems are unaffected.*. This vulnerability affects Thunderbird < 78.11, Firefox < 89, and Firefox ESR < 78.11.

VendorProductVersions

Mozilla

Thunderbird

affected
unspecified - < 78.11

Mozilla

Firefox

affected
unspecified - < 89

Mozilla

Firefox ESR

affected
unspecified - < 78.11

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