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prionPRIOn knowledge basePRION:CVE-2018-18493
HistoryFeb 28, 2019 - 6:29 p.m.

Buffer overflow

2019-02-2818:29:00
PRIOn knowledge base
www.prio-n.com
7

9.2 High

AI Score

Confidence

High

0.009 Low

EPSS

Percentile

82.9%

A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.