{"id":"UBUNTU-CVE-2017-17521","details":"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.","modified":"2026-05-20T16:03:16.994420742Z","published":"2017-12-14T16:29:00Z","upstream":["CVE-2017-17521"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-17521"},{"type":"REPORT","url":"https://sources.debian.org/src/fontforge/1:20170731%7Edfsg-1/fontforgeexe/uiutil.c/#L285"},{"type":"REPORT","url":"https://security-tracker.debian.org/tracker/CVE-2017-17521"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-17521"}],"affected":[{"package":{"name":"fontforge","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/fontforge?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["20120731.b-5","20120731.b-5ubuntu1","20120731.b-7.1","20120731.b-7.1ubuntu0.1","20120731.b-7.1ubuntu0.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"fontforge","binary_version":"20120731.b-7.1ubuntu0.1+esm1"},{"binary_version":"20120731.b-7.1ubuntu0.1+esm1","binary_name":"fontforge-common"},{"binary_name":"fontforge-nox","binary_version":"20120731.b-7.1ubuntu0.1+esm1"},{"binary_name":"libfontforge1","binary_version":"20120731.b-7.1ubuntu0.1+esm1"},{"binary_name":"libgdraw4","binary_version":"20120731.b-7.1ubuntu0.1+esm1"},{"binary_version":"20120731.b-7.1ubuntu0.1+esm1","binary_name":"python-fontforge"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-17521.json"}},{"package":{"name":"fontforge","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/fontforge?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:20161005~dfsg-4+deb9u1ubuntu1","1:20170731~dfsg-1","1:20170731~dfsg-1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"fontforge","binary_version":"1:20170731~dfsg-1ubuntu0.1~esm1"},{"binary_name":"fontforge-common","binary_version":"1:20170731~dfsg-1ubuntu0.1~esm1"},{"binary_name":"fontforge-nox","binary_version":"1:20170731~dfsg-1ubuntu0.1~esm1"},{"binary_version":"1:20170731~dfsg-1ubuntu0.1~esm1","binary_name":"libfontforge2"},{"binary_name":"libgdraw5","binary_version":"1:20170731~dfsg-1ubuntu0.1~esm1"},{"binary_name":"python-fontforge","binary_version":"1:20170731~dfsg-1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-17521.json"}},{"package":{"name":"fontforge","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/fontforge?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:20170731~dfsg-1build1","1:20170731~dfsg-2","1:20190801~dfsg-2","1:20190801~dfsg-2ubuntu1","1:20190801~dfsg-4","1:20190801~dfsg-4ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1:20190801~dfsg-4ubuntu0.1","binary_name":"fontforge"},{"binary_name":"fontforge-common","binary_version":"1:20190801~dfsg-4ubuntu0.1"},{"binary_name":"fontforge-extras","binary_version":"1:20190801~dfsg-4ubuntu0.1"},{"binary_name":"fontforge-nox","binary_version":"1:20190801~dfsg-4ubuntu0.1"},{"binary_name":"libfontforge3","binary_version":"1:20190801~dfsg-4ubuntu0.1"},{"binary_name":"libgdraw6","binary_version":"1:20190801~dfsg-4ubuntu0.1"},{"binary_version":"1:20190801~dfsg-4ubuntu0.1","binary_name":"python3-fontforge"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-17521.json"}},{"package":{"name":"fontforge","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/fontforge?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:20201107~dfsg-4","1:20201107~dfsg-4build1","1:20201107~dfsg-4+deb11u1build0.22.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"fontforge","binary_version":"1:20201107~dfsg-4+deb11u1build0.22.04.1"},{"binary_name":"fontforge-common","binary_version":"1:20201107~dfsg-4+deb11u1build0.22.04.1"},{"binary_name":"fontforge-extras","binary_version":"1:20201107~dfsg-4+deb11u1build0.22.04.1"},{"binary_name":"fontforge-nox","binary_version":"1:20201107~dfsg-4+deb11u1build0.22.04.1"},{"binary_version":"1:20201107~dfsg-4+deb11u1build0.22.04.1","binary_name":"libfontforge4"},{"binary_name":"python3-fontforge","binary_version":"1:20201107~dfsg-4+deb11u1build0.22.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-17521.json"}},{"package":{"name":"fontforge","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/fontforge?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:20230101~dfsg-1build1","1:20230101~dfsg-1build2","1:20230101~dfsg-1.1","1:20230101~dfsg-1.1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"fontforge","binary_version":"1:20230101~dfsg-1.1build1"},{"binary_name":"fontforge-common","binary_version":"1:20230101~dfsg-1.1build1"},{"b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