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prionPRIOn knowledge basePRION:CVE-2020-12417
HistoryJul 09, 2020 - 3:15 p.m.

Type confusion

2020-07-0915:15:00
PRIOn knowledge base
www.prio-n.com
5

AI Score

8.3

Confidence

High

EPSS

0.008

Percentile

81.8%

Due to confusion about ValueTags on JavaScript Objects, an object may pass through the type barrier, resulting in memory corruption and a potentially exploitable crash. Note: this issue only affects Firefox on ARM64 platforms. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.