CVE-2022-39236

CVE-2022-39236 affects the Matrix JavaScript SDK (matrix-js-sdk). Starting with version 17.1.0-rc.1, improperly formed beacon events (MSC3488) can disrupt or impede the matrix-js-sdk’s operation, potentially preventing safe data processing. The SDK may appear functional while excluding or corrupt...

CVE-2021-40823

CVE-2021-40823 affects matrix-js-sdk and related Element client variants. A logic error in the room key sharing functionality prior to version 12.4.1 allows a malicious Matrix homeserver participating in an encrypted room to steal room encryption keys originally sent by affected clients, enabling...

CVE-2023-29529

Summary: CVE-2023-29529 affects matrix-js-sdk (Matrix Client-Server SDK for JavaScript/TypeScript) and describes a group-call eavesdropping vulnerability. The issue arises because the group call implementation accepts incoming direct calls from other users during an MSC3401 group call, even if th...

CVE-2024-42369

CVE-2024-42369 affects the matrix-js-sdk (JavaScript) where a malicious homeserver can craft a room structure whose predecessors form a cycle. This makes getRoomUpgradeHistory() recursively traverse and hang, and since this method is public and invoked by leaveRoomChain(), leaving a room can trig...