参照： Official debian advisory, NVD, CVE.org · CVE 詳細
Freshness: upstream tracker timestamp is available; use API updated time as primary recency signal.
CVE-2015-1803 not yet assigned priority: Debian including 1 source packages (libxfont), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.
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.