{"id":"DEBIAN-CVE-2015-1803","details":"The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) and possibly execute arbitrary code via a crafted BDF font file.","modified":"2026-09-09T06:47:29.025724658Z","published":"2015-03-20T14:59:02.403Z","upstream":["CVE-2015-1803"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2015-1803"}],"affected":[{"package":{"name":"libxfont","ecosystem":"Debian:12","purl":"pkg:deb/debian/libxfont?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.5.1-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2015-1803.json"}},{"package":{"name":"libxfont","ecosystem":"Debian:13","purl":"pkg:deb/debian/libxfont?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.5.1-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2015-1803.json"}},{"package":{"name":"libxfont","ecosystem":"Debian:14","purl":"pkg:deb/debian/libxfont?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.5.1-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2015-1803.json"}}],"schema_version":"1.9.0"}