Vulnerability Information
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Vulnerability Title
N/A
Vulnerability Description
Unchecked NULL pointer usage when handling invalid aliases in CopyKeyAliasesToKeymap in xkbcomp/keycodes.c in xkbcommon before 0.8.1 could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file.
CVSS Information
N/A
Vulnerability Type
N/A
Vulnerability Title
xkbcommon 安全漏洞
Vulnerability Description
xkbcommon是一个键盘键映射编译器和支持库。 xkbcommon 0.8.1之前版本中的xkbcomp/keycodes.c文件的‘ CopyKeyAliasesToKeymap’函数存在安全漏洞，该漏洞源于程序在处理无效别名时未能检查是否使用空指针。本地攻击者可通过提交特制的keymap文件利用该漏洞造成xkbcommon解析器崩溃（空指针逆向引用）。
CVSS Information
N/A
Vulnerability Type
N/A