CVE-2019-17011

PoC —

CVSS 3.1

7.5 high

EPSS

2%p73

Published

Jan 8, 2020 (Jan 8, 2020)

Modified

Jun 17, 2026

Description

Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race condition could cause a use-after-free condition and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

Vendors: mozilla opensuse canonical
Products: firefox, firefox esr, thunderbird, leap, ubuntu linux
Weakness: CWE-362
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.5%)

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