要点
- CVE-2016-4658 是影响 nokogiri, libxml2 (xmlsoft) 的严重 (CVSS 9.8)漏洞。
- 未来 30 天内被利用的概率（EPSS）：8.6%，高于 95.1% 的漏洞。
- 修复：升级到 1.7.1, 2.9.5 或更高版本。
| Package | Affected versions | Patched versions |
|---|
| nokogiri RubyGems | < 1.7.1
| 1.7.1
|
| libxml2 | < 2.9.5
| 2.9.5
|
Description
xpointer.c in libxml2 before 2.9.5 (as used in nokogiri before 1.7.1 amongst other products) does not forbid namespace nodes in XPointer ranges, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and memory corruption) via a crafted XML document.
NVD description
xpointer.c in libxml2 before 2.9.5 (as used in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3, and other products) does not forbid namespace nodes in XPointer ranges, which allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free and memory corruption) via a crafted XML document.
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