CVE-2025-49809

Name	CVE-2025-49809
Description	mtr through 0.95, in certain privileged contexts, mishandles execution of a program specified by the MTR_PACKET environment variable. NOTE: mtr on macOS may often have Sudo rules, as an indirect consequence of Homebrew not installing setuid binaries.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, 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
mtr (PTS)	bullseye	0.94-1+deb11u1	vulnerable
	bookworm	0.95-1	vulnerable
	trixie, sid	0.95-1.1	vulnerable

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

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

Fixed by: https://github.com/traviscross/mtr/commit/5226f105f087c29d3cfad9f28000e7536af91ac6