CVE-2026-45056: Authentication Bypass by Spoofing

matrix-sdk-crypto is a no-network-IO implementation of a state machine that handles end-to-end encryption for Matrix clients. Starting in version 0.12.0 and prior to version 0.17.0, the matrix-sdk-crypto crate was missing a check for the user ID when decrypting an Olm-encrypted event containing t...

RUSTSEC-2026-0159 Sender-binding gaps in to-device messages

The matrix-sdk-crypto crate before 0.16.1 is missing a check for the sender's user ID when decrypting an Olm-encrypted to-device message containing the senderdevicekeys property. This could be exploited to spoof the sender of an encrypted to-device message, but only if the attacker colludes with ...

EUVD-2021-21460

Malware in sbrugna...

CVE-2021-34813

Matrix libolm before 3.2.3 allows a malicious Matrix homeserver to crash a client while it is attempting to retrieve an Olm encrypted room key backup from the homeserver because olmpkdecrypt has a stack-based buffer overflow. Remote code execution might be possible for some nonstandard build...

CVE-2021-34813

Matrix libolm before 3.2.3 allows a malicious Matrix homeserver to crash a client while it is attempting to retrieve an Olm encrypted room key backup from the homeserver because olmpkdecrypt has a stack-based buffer overflow. Remote code execution might be possible for some nonstandard build...

CVE-2021-34813

Matrix libolm before 3.2.3 is affected. The flaw is in olm_pk_decrypt, causing a stack-based buffer overflow that can crash the client when retrieving an Olm-encrypted room key backup from a Matrix homeserver; remote code execution might be possible in some nonstandard builds. A fix is available ...