MEDIUM 5.9 RubyGems
Nokogiri Implements libxml2 version vulnerable to null pointer dereferencing
GHSA-286v-pcf5-25rc · CVE-2021-3537
Published · Modified
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Description
A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2021-3537
- WEB https://bugzilla.redhat.com/show_bug.cgi?id=1956522
- WEB https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2021-3537.yml
- PACKAGE https://github.com/sparklemotion/nokogiri
- WEB https://github.com/sparklemotion/nokogiri/blob/2edbbef95f1dc12c1ddc5ebda71b9159026245fe/CHANGELOG.md?plain=1#L722
- WEB https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
- WEB https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6
- WEB https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV
- WEB https://nokogiri.org/CHANGELOG.html#1114-2021-05-14
- WEB https://security.gentoo.org/glsa/202107-05
- WEB https://security.netapp.com/advisory/ntap-20210625-0002
- WEB https://www.oracle.com/security-alerts/cpuapr2022.html
- WEB https://www.oracle.com/security-alerts/cpujul2022.html
- WEB https://www.oracle.com/security-alerts/cpuoct2021.html
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