Description
In the pcfGetProperties function in bitmap/pcfread.c in libXfont through 1.5.2 and 2.x before 2.0.2, a missing boundary check (for PCF files) could be used by local attackers authenticated to an Xserver for a buffer over-read, for information disclosure or a crash of the X server.
References (6)
Core 6
Core References
Patch, Third Party Advisory x_refsource_confirm
https://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=672bb944311392e2415b39c0d63b1e1902905bcd
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2017/dsa-3995
Vendor Advisory x_refsource_confirm
https://www.x.org/releases/individual/lib/libXfont2-2.0.2.tar.bz2
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/201711-08
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1500693
Issue Tracking x_refsource_confirm
https://bugzilla.suse.com/show_bug.cgi?id=1049692
Scores
CVSS v3
7.1
EPSS
0.0007
EPSS Percentile
20.6%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (3)
x.org/libxfont
2.0.0
x.org/libxfont
2.0.1
x.org/libxfont
< 1.5.2
Published
Oct 11, 2017
Tracked Since
Feb 18, 2026