An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.
修复方式
yum update PackageName
是否受影响判断
判断方法：yum info PackageName 结果说明：版本小于修复版本，则受此漏洞影响，版本大于等于修复版本，则此漏洞已修复。