CVE-2025-66622

matrix-sdk-base is the base component to build a Matrix client library. Versions 0.14.1 and prior are 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 wit...

CVE-2025-66622

Affected software: matrix-sdk-base (base component for Matrix Rust SDK). Vulnerability: Versions 0.14.1 and earlier cannot handle responses with custom m.room.join_rules values due to a serialization bug, which can cause a denial-of-service by stalling the crate’s sync process when invited to a r...

CVE-2025-66622 matrix-sdk-base is vulnerable to DoS via custom m.room.join_rules event values

matrix-sdk-base is the base component to build a Matrix client library. Versions 0.14.1 and prior are 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 wit...

CVE-2025-66622 matrix-sdk-base is vulnerable to DoS via custom m.room.join_rules event values

matrix-sdk-base is the base component to build a Matrix client library. Versions 0.14.1 and prior are 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 wit...

CVE-2025-66622 matrix-sdk-base is vulnerable to DoS via custom m.room.join_rules event values

matrix-sdk-base is the base component to build a Matrix client library. Versions 0.14.1 and prior are 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 wit...

RUSTSEC-2025-0135 matrix-sdk-base: Denial of service due to custom `m.room.join_rules` events

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, preventin...

PT-2025-49576

Name of the Vulnerable Software and Affected Versions matrix-sdk-base versions 0.14.1 and prior Description The software is susceptible to a denial-of-service condition. If a user is invited to a room with non-standard join rules, the sync process will stall, preventing further processing for all...