CVE-2021-44538

CVE-2021-44538: The olm_session_describe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object state is partially controllable by the remote party; crafted messages can manipulate the receiver’s session so that, for some buffer sizes, a buffer overflow ...

CVE-2021-40824

The CVE-2021-40824 issue affects Element Android prior to 1.2.2 and matrix-android-sdk2 (Matrix SDK for Android). A logic error in the room key sharing functionality allows a malicious Matrix homeserver in an encrypted room to steal room encryption keys via crafted Matrix protocol messages, enabl...