Vulnerability Information
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Vulnerability Title
N/A
Vulnerability 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 perform type conversion for metrics values, which allows remote authenticated users to cause a denial of service (out-of-bounds memory access) and possibly execute arbitrary code via a crafted BDF font file.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
X.Org libXfont 数字错误漏洞
Vulnerability Description
X.Org是X.Org基金会运作的一个对X Window系统的官方参考实现，是开源的自由软件。libXfont是一个用于服务器和实用程序的X字体处理库。 X.Org libXfont 1.4.9之前版本和1.5.1之前1.5.x版本的bitmap/bdfread.c文件中的‘bdfReadCharacters’函数存在安全漏洞，该漏洞源于程序没有正确执行度量值的类型转换。远程攻击者可借助特制的BDF字体文件利用该漏洞造成拒绝服务（越边界内存访问），执行任意代码。
CVSS Information
N/A
Vulnerability Type
N/A