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7.5
Textream app crashes when overwhelmed by too many connections
CVE-2026-28412
Summary
A bug in the Textream teleprompter app can cause it to freeze or crash if too many users connect at the same time. This can happen during live sessions, disrupting the flow of a presentation or broadcast. Update to version 1.5.1 to fix the issue.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| textream | textream | <= 1.5.1 | – |
| fka | textream | <= 1.5.1 | – |
Original title
Textream is a free macOS teleprompter app. Prior to version 1.5.1, the `DirectorServer` WebSocket server imposes no limit on concurrent connections. Combined with a broadcast timer that sends state...
Original description
Textream is a free macOS teleprompter app. Prior to version 1.5.1, the `DirectorServer` WebSocket server imposes no limit on concurrent connections. Combined with a broadcast timer that sends state to all connected clients every 100 ms, an attacker can exhaust CPU and memory by flooding the server with connections, causing the Textream application to freeze and crash during a live session. Version 1.5.1 fixes the issue.
nvd CVSS3.1
7.5
Vulnerability type
CWE-400
Uncontrolled Resource Consumption
Published: 2 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026