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prionPRIOn knowledge basePRION:CVE-2021-29977
HistoryAug 05, 2021 - 8:15 p.m.

Memory corruption

2021-08-0520:15:00
PRIOn knowledge base
www.prio-n.com
8

9 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.5%

Mozilla developers reported memory safety bugs present in Firefox 89. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 90.

CPENameOperatorVersion
firefoxlt90.0

9 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.5%