Hello everybody,
Please find below the release notes for version 4.9.5 of the Wowza Streaming Engine software.
The following changes were made since the release of version 4.9.4:
- Updated the Wowza Streaming Engine Transcoder library to use MainConcept SDK version 15.4.
- Added support for ARM-based executables to install and update Wowza Streaming Engine in Linux environments.
- Added an RTSPSsrcCheck property to use inside the Application.xml > RTP element that can be set to false to disable SSRC checks when streaming over RTSP.
- Fixed CVE-2025-22235 security vulnerability by upgrading to Spring Boot (org.springframework.boot) 3.3.11.
- Fixed CVE-2024-13009 security vulnerability by upgrading jetty-http, jetty-server, jetty-io, and jetty-util libraries to 9.4.57.v20241219.
- Fixed CVE-2025-48988 security vulnerability by upgrading Apache Tomcat libraries to 10.1.42.
- Fixed an issue causing an error during server shutdowns when the SRTListener property is removed from the VHost.xml.
- Fixed an issue related to existing multiple log4j-core JAR files that were causing Wowza Streaming Engine to stop unexpectedly during upgrades from 4.9.2 to 4.9.4 on Windows.
- Fixed an issue causing invalid connections and errors when pushing RTSP streams over TCP from IP cameras to Wowza Streaming Engine 4.8.8.01 and later.
- Fixed an issue logging zero-sized function error counts and causing crashes when dropping RTMP connections sending corrupt data.
- Fixed an issue causing HTTP headers to be corrupted or missing when HTTP/2 is enabled and when running CMAF with Low-Latency HLS (LL-HLS) streams.
- Fixed an issue causing frame jittering in video outputs when using NVIDIA GPU transcoding in Wowza Streaming Engine 4.9.3 and later.