CVE-2021-3537
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.
02 / AFFECTED SOFTWARE
Affected packages
176 explicit affected versions
128 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
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.
05 / REFERENCES
Further evidence
- https://bugzilla.redhat.com/show_bug.cgi?id=1956522
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/nokogiri/CVE-2021-3537.yml
- https://github.com/sparklemotion/nokogiri
- https://github.com/sparklemotion/nokogiri/blob/2edbbef95f1dc12c1ddc5ebda71b9159026245fe/CHANGELOG.md?plain=1#L722
- https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6
- https://lists.fedoraproject.org/archives/list/[email protected]/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV
- https://nokogiri.org/CHANGELOG.html#1114-2021-05-14
- https://nvd.nist.gov/vuln/detail/CVE-2021-3537
- https://security.gentoo.org/glsa/202107-05
- https://security.netapp.com/advisory/ntap-20210625-0002
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
- https://security.netapp.com/advisory/ntap-20210625-0002/