CVE-2017-17521

Name	CVE-2017-17521
Description	uiutil.c in FontForge through 20170731 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL, a different vulnerability than CVE-2017-17534.
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
fontforge (PTS)	bullseye, bullseye (security)	1:20201107~dfsg-4+deb11u1	fixed
	bookworm, bookworm (security)	1:20230101~dfsg-1.1~deb12u1	fixed
	trixie	1:20230101~dfsg-4	fixed
	forky, sid	1:20251009+git20260808~dfsg-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
fontforge	source	(unstable)	1:20201107~dfsg-1	unimportant

Notes

https://sources.debian.org/src/fontforge/1:20170731%7Edfsg-1/fontforgeexe/uiutil.c/#L285
Code removed in https://github.com/fontforge/fontforge/commit/029bbb606b6502d651454fee996f8dd3ea15fa94 (20200314)