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prionPRIOn knowledge basePRION:CVE-2022-29916
HistoryDec 22, 2022 - 8:15 p.m.

Design/Logic Flaw

2022-12-2220:15:00
PRIOn knowledge base
www.prio-n.com
4
firefox
css
variable
loading
vulnerability
thunderbird
firefox esr
nvd

7 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

47.8%

Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

CPENameOperatorVersion
firefoxlt100.0
firefox_esrlt91.9
thunderbirdlt91.9