Matrix Olm

5 CVEs affecting Matrix Olm. Latest disclosed: 2024-08-22. Critical: 2, High: 0.

Top CVEs affecting Matrix Olm
CVESeverityScorePublishedSummary
CVE-2021-44538Critical9.82021-12-14The olm_session_describe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object represents a cryptographic channel b…
CVE-2021-34813Critical9.82021-06-16Matrix 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…
CVE-2024-45192Medium5.32024-08-22An issue was discovered in Matrix libolm through 3.2.16. Cache-timing attacks can occur due to use of base64 when decoding group session keys. This refers to t…
CVE-2024-45191Medium5.32024-08-22An issue was discovered in Matrix libolm through 3.2.16. The AES implementation is vulnerable to cache-timing attacks due to use of S-boxes. This is related to…
CVE-2024-45193Medium4.32024-08-22An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n…