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CVE-2015-1803 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 us...

HighCVSS 8.5 EPSS 4.9%
Published
Updated
Exploit status
No public exploit known

Description

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.

Affected products

ProductAffected versionsFixed in
debian/libxfont(Debian:12) < 1:1.5.1-1 1:1.5.1-1
debian/libxfont(Debian:13) < 1:1.5.1-1 1:1.5.1-1
debian/libxfont(Debian:14) < 1:1.5.1-1 1:1.5.1-1
Canonical Ubuntu Linux = 10.04 No fix listed
Canonical Ubuntu Linux = 12.04 No fix listed
Canonical Ubuntu Linux = 14.04 No fix listed
Canonical Ubuntu Linux = 14.10 No fix listed
debian linux = 7.0 No fix listed
x libxfont <= 1.4.8 No fix listed
x libxfont = 1.5.0 No fix listed

References