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prionPRIOn knowledge basePRION:CVE-2023-4583
HistorySep 11, 2023 - 9:15 a.m.

Design/Logic Flaw

2023-09-1109:15:00
PRIOn knowledge base
www.prio-n.com
6
browsing context
discarded
load group
private channels
vulnerability
firefox
thunderbird
nvd

7.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

21.9%

When checking if the Browsing Context had been discarded in HttpBaseChannel, if the load group was not available then it was assumed to have already been discarded which was not always the case for private channels after the private session had ended. This vulnerability affects Firefox < 117, Firefox ESR < 115.2, and Thunderbird < 115.2.