Vulnerabilities > Matrix > OLM > Critical
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-12-14 | CVE-2021-44538 | Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple products The olm_session_describe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. | 9.8 |
| 2021-06-16 | CVE-2021-34813 | Out-of-bounds Write vulnerability in Matrix OLM 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 olm_pk_decrypt has a stack-based buffer overflow. | 9.8 |