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. Remote code execution might be possible for some nonstandard build configurations.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-06-16T17:11:53

Updated: 2024-08-04T00:26:54.020Z

Reserved: 2021-06-16T00:00:00

Link: CVE-2021-34813

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-06-16T18:15:09.730

Modified: 2021-06-23T14:29:37.357

Link: CVE-2021-34813

cve-icon Redhat

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