CVE-2022-23516

HIGH7.5EPSS 0.05%

Uncontrolled Recursion in Loofah

發布日:2022/12/13修改日:2026/4/28

也稱為:GHSA-3x8r-x6xp-q4vmDEBIAN-CVE-2022-23516

描述

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah >= 2.2.0, < 2.19.1 uses recursion for sanitizing CDATA sections, making it susceptible to stack exhaustion and raising a SystemStackError exception. This may lead to a denial of service through CPU resource consumption. This issue is patched in version 2.19.1. Users who are unable to upgrade may be able to mitigate this vulnerability by limiting the length of the strings that are sanitized.

受影響套件(2)

Debian/ruby-loofahfrom 0, < 2.7.0+dfsg-1+deb11u1
RubyGems/loofah>= 2.2.0, < 2.19.1

CVSS 分數

來源	版本	嚴重程度	向量
osv	CVSS 3.1	HIGH7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

參考連結(8)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2022-23516
ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2022-23516
PATCHhttps://github.com/flavorjones/loofah
WEBhttps://github.com/flavorjones/loofah/commit/86f7f6364491b0099d215db858ecdc0c89ded040
WEBhttps://github.com/flavorjones/loofah/security/advisories/GHSA-3x8r-x6xp-q4vm
WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/loofah/CVE-2022-23516.yml
WEBhttps://lists.debian.org/debian-lts-announce/2023/09/msg00011.html
WEBhttps://lists.debian.org/debian-lts-announce/2024/09/msg00044.html