MEDIUM · 5.9

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 i...

Vulnerability 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.

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
XmlsoftLibxml2< 2.9.11
RedhatJboss Core Services-
RedhatEnterprise Linux6.0
DebianDebian Linux9.0
FedoraprojectFedora33
NetappActive Iq Unified Manager-
NetappClustered Data Ontap-
NetappClustered Data Ontap Antivirus Connector-
NetappManageability Software Development Kit-
NetappOntap Select Deploy Administration Utility-
NetappSnapdrive-
NetappHci H410C Firmware-
NetappHci H410C-
OracleCommunications Cloud Native Core Network Function Cloud Native Environment1.10.0
OracleEnterprise Manager Base Platform13.4.0.0
OracleEnterprise Manager Ops Center12.4.0.0
OracleMysql Workbench<= 8.0.26
OracleOpenjdk8
OraclePeoplesoft Enterprise Peopletools8.58
OracleReal User Experience Insight13.4.1.0

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-3537?

CVE-2021-3537 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 i...

How severe is CVE-2021-3537?

CVE-2021-3537 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-3537?

Check the references section above for vendor advisories and patch information. Affected products include: Xmlsoft Libxml2, Redhat Jboss Core Services, Redhat Enterprise Linux, Debian Debian Linux, Fedoraproject Fedora.