AI Score
Confidence
High
EPSS
Percentile
16.0%
SSVC
Exploitation
none
Automatable
no
Technical Impact
partial
Memory safety bugs present in Firefox 127 and Thunderbird 127. 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 < 128 and Thunderbird < 128.