Pre-disclosure: we are planning a coordinated security release of several Matrix clients starting ~1pm UK (UTC+1) Monday Sept 13th to address a critical vuln. We have no evidence of it being exploited in the wild, but please be sure to upgrade on Mon! https://matrix.org/blog/2021/09/10/pre-disclosure-upcoming-critical-fix-for-several-popular-matrix-clients
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We believe we’ve established contact with all affected developers, but if you think this might affect you please drop a line to [email protected]
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It might be interesting to deal with @fdroidorg to manually launched update of these apps