CVE-2025-59383: A buffer overflow vulnerability has been reported to affect Media Streaming Add-On
CVE-2025-59383 is a critical-severity flaw (CVSS 9.1) affecting media streaming add-on. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A buffer overflow vulnerability has been reported to affect Media Streaming Add-On. The remote attackers can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: Media Streaming Add-on 500.1.1 and later
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.1 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 74%) |
| CISA exploited list | No |
| Weakness | CWE-121 |
| Published | 2026-03-20 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-59383?
media streaming add-on: upgrade to 500.1.1.0. Exact commands for each OS are on this page.
Is CVE-2025-59383 being exploited?
CVE-2025-59383 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-59383 affect?
CVE-2025-59383 affects media streaming add-on. Severity is critical (CVSS 9.1). A buffer overflow vulnerability has been reported to affect Media Streaming Add-On. The remote attackers can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following versi
How urgent is CVE-2025-59383?
Priority 43/100. Critical severity; Remotely exploitable, no login, no user action
Software pages
Related CVEs
- CVE-2024-56808 HIGH 7.8 UPGRADE A command injection vulnerability has been reported to affect Media Streaming add-on
- CVE-2024-56807 MEDIUM 5.5 UPGRADE An out-of-bounds read vulnerability has been reported to affect Media Streaming add-on
- CVE-2024-50395 HIGH 8.8 UPGRADE An authorization bypass through user-controlled key vulnerability has been reported to affect Media Streaming