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prionPRIOn knowledge basePRION:CVE-2019-11757
HistoryJan 08, 2020 - 8:15 p.m.

Design/Logic Flaw

2020-01-0820:15:00
PRIOn knowledge base
www.prio-n.com
7

8.1 High

AI Score

Confidence

High

0.008 Low

EPSS

Percentile

81.7%

When following the value’s prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.