CVE-2019-9819

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CVSS 3.0

9.8 critical

EPSS

2%p76

Published

Jul 23, 2019 (Jul 23, 2019)

Modified

Jun 17, 2026

Description

A vulnerability where a JavaScript compartment mismatch can occur while working with the fetch API, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

Vendors: mozilla
Products: firefox, firefox esr, thunderbird
Weakness: CWE-843
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.7%)

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