CVE-2021-3537

Summary

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.

Affected Software

Weaknesses

• CWE-476: CWE-476

ADP Enrichment

CVE Program Container

Additional References

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
• https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1956522
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
• https://security.gentoo.org/glsa/202107-05
• https://security.netapp.com/advisory/ntap-20210625-0002/
• https://www.oracle.com/security-alerts/cpuoct2021.html
• https://www.oracle.com/security-alerts/cpuapr2022.html
• https://www.oracle.com/security-alerts/cpujul2022.html

References

• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
• https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
• https://bugzilla.redhat.com/show_bug.cgi?id=1956522
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
• https://security.gentoo.org/glsa/202107-05
• https://security.netapp.com/advisory/ntap-20210625-0002/
• https://www.oracle.com/security-alerts/cpuoct2021.html
• https://www.oracle.com/security-alerts/cpuapr2022.html
• https://www.oracle.com/security-alerts/cpujul2022.html

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