NULL pointer dereference in Tcpreplay - #VU139267
Published: July 24, 2026 / Updated: July 24, 2026
Vulnerability identifier: #VU139267
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the remove_settings function. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Affected software
Tcpreplay
Remediation
Install updates from vendor's website.
Tcpreplay - update to 4.5.4