Security Advisory

CVE-2021-43845

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2021-12-27 00:00:00

Last updated 2025-11-04 16:09:26

Assigner GitHub_M

State PUBLISHED

Description

PJSIP is a free and open source multimedia communication library. In version 2.11.1 and prior, if incoming RTCP XR message contain block, the data field is not checked against the received packet size, potentially resulting in an out-of-bound read access. This affects all users that use PJMEDIA and RTCP XR. A malicious actor can send a RTCP XR message with an invalid packet size.

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