CVE-2013-6462
libXfont: stack-based buffer overflow flaw when parsing Glyph Bitmap Distribution Format (BDF) fonts
Severity
ImportantRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · January 7, 2014
Updated · November 21, 2025
Description
Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in a character name in a BDF font file.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 6.9AV:L/AC:M/Au:N/C:C/I:C/A:C
CWE-121 · Stack-based Buffer Overflow