Security Advisory

CVE-2021-34813

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-06-16 17:11:53

Last updated 2024-08-04 00:26:54

Assigner mitre

State PUBLISHED

Description

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.

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