Double free in Tcpreplay - #VU139264
Published: July 24, 2026 / Updated: July 24, 2026
Vulnerability identifier: #VU139264
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-415
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a local attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in tcpedit_dlt_cleanup within tcprewrite. A local attacker can pass specially crafted data to the application, trigger double free error and cause a denial of service condition on the target system.
Affected software
Tcpreplay
Remediation
Install updates from vendor's website.
Tcpreplay - update to 4.5.1