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prionPRIOn knowledge basePRION:CVE-2019-9813
HistoryApr 26, 2019 - 5:29 p.m.

Type confusion

2019-04-2617:29:00
PRIOn knowledge base
www.prio-n.com
17

8.1 High

AI Score

Confidence

High

0.591 Medium

EPSS

Percentile

97.8%

Incorrect handling of proto mutations may lead to type confusion in IonMonkey JIT code and can be leveraged for arbitrary memory read and write. This vulnerability affects Firefox < 66.0.1, Firefox ESR < 60.6.1, and Thunderbird < 60.6.1.