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PRIOn knowledge basePRION:CVE-2021-21323HistoryFeb 23, 2021 - 11:15 p.m.
Design/Logic Flaw
2021-02-2323:15:00
PRIOn knowledge base
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Brave is an open source web browser with a focus on privacy and security. In Brave versions 1.17.73-1.20.103, the CNAME adblocking feature added in Brave 1.17.73 accidentally initiated DNS requests that bypassed the Brave Tor proxy. Users with adblocking enabled would leak DNS requests from Tor windows to their DNS provider. (DNS requests that were not initiated by CNAME adblocking would go through Tor as expected.) This is fixed in Brave version 1.20.108
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