SB2025041518 - Multiple vulnerabilities in Jellyfin

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper Neutralization of Argument Delimiters in a Command (CVE-ID: CVE-2025-31499)

CWE-ID: CWE-88 - Argument Injection or Modification

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to the argument injection in FFmpeg. A remote user can execute arbitrary code on the target system.

2) Spoofing attack (CVE-ID: CVE-2025-32012)

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker on the local network can spoof IP and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://github.com/jellyfin/jellyfin/security/advisories/GHSA-2c3c-r7gp-q32m
• https://github.com/jellyfin/jellyfin/security/advisories/GHSA-qcmf-gmhm-rfv9