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prionPRIOn knowledge basePRION:CVE-2023-4577
HistorySep 11, 2023 - 9:15 a.m.

Code injection

2023-09-1109:15:00
PRIOn knowledge base
www.prio-n.com
3
code injection
firefox
thunderbird
vulnerability
nvd
exploitable crash

6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

23.3%

When UpdateRegExpStatics attempted to access initialStringHeap it could already have been garbage collected prior to entering the function, which could potentially have led to an exploitable crash. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.