SB2025120343 - Multiple vulnerabilities in Wireshark
Published: December 3, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Infinite loop (CVE-ID: CVE-2025-13946)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the MEGACO dissector. A remote attacker can send specially crafted data over the network, consume all available system resources and cause denial of service conditions.
2) Input validation error (CVE-ID: CVE-2025-13945)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in HTTP3 dissector when decrypting traffic using a keylog file or loading a capture file that contains decryption secrets. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.