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2 actionable advisories, newest first. Withdrawn advisories and news are excluded. Coverage is partial.
The matrix-sdk-base crate is unable to handle responses that include custom m.room.joinrules values due to a serialization bug. This can be exploited to cause a denial-of-service condition, if a user is invited to a room with non-standard join rules, the crate's sync process will stall, preventing further processing for all rooms. Patches The issue is fixed in matrix-sdk-base 0.16.0. Workarounds Users can leave affected rooms on another client to mitigate the issue. References The issue was fixed in https://github.com/matrix-org/matrix-rust-sdk/pull/5924.
Recommended action: Upgrade to 0.16.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.
In matrix-sdk-base before 0.14.1, calling the RoomMember::normalizedpowerlevel() method can cause a panic if a room member has a power level of Int::Min. Patches The issue is fixed in matrix-sdk-base 0.14.1. Workarounds The affected method isn’t used internally, so avoiding calling RoomMember::normalizedpowerlevel() prevents the panic.
Recommended action: Upgrade to 0.14.1 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.