CVE-2025-51005

Name	CVE-2025-51005
Description	A heap-buffer-overflow vulnerability exists in the tcpliveplay utility of the tcpreplay-4.5.1. When a crafted pcap file is processed, the program incorrectly handles memory in the checksum calculation logic at do_checksum_math_liveplay in tcpliveplay.c, leading to a possible denial of service.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
tcpreplay (PTS)	bullseye	4.3.3-2	vulnerable
	bookworm	4.4.3-1	vulnerable
	trixie	4.5.1-1	vulnerable
	forky, sid	4.5.2-1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
tcpreplay	source	(unstable)	(unfixed)	unimportant

https://github.com/appneta/tcpreplay/issues/925
tcplivereplay will be removed in the 4.6 release
Crash in CLI tool, no security impact