安全公告/【CVE-2022-40303】

基本信息

漏洞名称:
受影响操作系统:Asianux
危险等级:高危
影响源码包:libxml2
CVSS评分:7.5
发现日期:2022-11-14
修复版本:2.9.10-34

漏洞描述

An issue was discovered in libxml2 before 2.10.3. When parsing a multi-gigabyte XML document with the XML_PARSE_HUGE parser option enabled, several integer counters can overflow. This results in an attempt to access an array at a negative 2GB offset, typically leading to a segmentation fault.

修复方式

yum update PackageName

漏洞判定

执行命令yum info PackageName获取软件包版本号，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

补丁

参考

https://gitee.com/src-openeuler/libxml2/issues/I5W79R
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-40303
https://nvd.nist.gov/vuln/detail/CVE-2022-40303