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-2021-34813

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 ...

CVE-2024-45192

A vulnerability exists in the Matrix libolm library through version 3.2.16 . The root cause is the use of base64 when decoding group session keys, which can lead to cache-timing attacks . This issue specifically pertains to the libolm implementation of Olm. Note that this vulnerability only affec...

CVE-2024-45193

The Matrix libolm library (version 3.2.16 and below) is vulnerable to Ed25519 signature malleability due to a lack of validation criteria (specifically, it does not ensure that S

CVE-2024-45191

The Matrix libolm library (through version 3.2.16 ) contains an AES implementation vulnerable to cache-timing attacks . This is caused by the use of S-boxes in software utilizing a lookup table for the SubWord step. This vulnerability specifically affects products no longer supported by the maint...