CVE-2019-17008

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CVSS 3.1

8.8 high

EPSS

2%p78

Published

Jan 8, 2020 (Jan 8, 2020)

Modified

Jun 17, 2026

Description

When using nested workers, a use-after-free could occur during worker destruction. This resulted in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

Vendors: mozilla opensuse
Products: firefox, firefox esr, thunderbird, leap
Weakness: CWE-416
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (1.9%)

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