Alta Video — 1790: Starting several playback streams at the same time could crash the H6SL camera

Release Date

23rd of June 2025.

Overview

The limit on the number of simultaneous video playback streams was too high. This could lead to a scenario where several playback streams started at the same time could crash the H6SL camera.

Affected Products

• Avigilon Cloud-Native Cameras:
  • All Stable upgrade Channel versions before 7.5.5.
  • All Beta upgrade channel versions before 7.5.0.

Unaffected Products

• Alta Video: all versions.

• Avigilon Cloud-Native Cameras:

  • All Stable upgrade channel versions after and including 7.5.5.
  • All Beta upgrade channel versions after and including 7.5.0.

• Alta Video Cloud: all versions.

Resolution

This issue has been fixed in Avigilon Cloud-Native Cameras Beta upgrade channel version 7.5.0 and Stable upgrade channel version 7.5.5.

It is strongly recommended that all Avigilon Cloud-Native camera installations running an affected version upgrade to the latest release as soon as possible. Releases are available to download through the Alta Video User Interface for Avigilon Cloud-Native cameras and the Avigilon Cloud-Native Camera Interface for unmanaged cameras.

Vulnerability Information

• CVSSv3 score: 6.5 (Medium)
• CVSSv3 vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Mitigations

There are no known mitigations for this issue.

Work arounds

There are no known work arounds for this issue.

Acknowledgements

Issue found and reported internally by Alta Video.

Disclosure Timeline

• 13/01/2024 Issue found
• 21/01/2025 Root cause established
• 21/01/2025 Fix identified
• 10/04/2025 Patched Avigilon Cloud-Native Cameras (Beta upgrade channel) released
• 19/05/2025 Patched Avigilon Cloud-Native Cameras (Stable upgrade channel) released
• 23/06/2025 Vulnerability publicly disclosed