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CVE-2021-29964

—
CVSS 3.1
7.1 high
EPSS
<1%p54
Published
()
Modified
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.

Vendors
mozilla
Products
firefox, firefox esr, thunderbird
Weakness
CWE-125
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
NVD CVE.org GitHub PoCs EPSS (0.8%)

In the news

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