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.
- Score
- CVSS 3.1 5.9 Medium
- Status
- Modified - secalert@redhat.com
- Published
- 2021-05-14
- Last modified
- 2026-10-14
- Weaknesses
- CWE-476
Affected products
- Debian Linux (Debian)
- Fedora (Fedoraproject)
- Active Iq Unified Manager (Netapp)
- Clustered Data Ontap (Netapp)
- Clustered Data Ontap Antivirus Connector (Netapp)
- Hci H410c Firmware (Netapp)
- Manageability Software Development Kit (Netapp)
- Ontap Select Deploy Administration Utility (Netapp)
- Snapdrive (Netapp)
- Communications Cloud Native Core Network Function Cloud Native Environment (Oracle)
- Enterprise Manager Base Platform (Oracle)
- Enterprise Manager Ops Center (Oracle)
- Mysql Workbench (Oracle)
- Openjdk (Oracle)
- Peoplesoft Enterprise Peopletools (Oracle)
- Real User Experience Insight (Oracle)
- Enterprise Linux (Redhat)
- Jboss Core Services (Redhat)
- Simatic S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
- Simatic S7-1500 Cpu 1518f-4 Pndp Mfp (Siemens)
- Siplus S7-1500 Cpu 1518-4 Pndp Mfp (Siemens)
- Libxml2 (Xmlsoft)
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4…
- 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/BZOMV5J4PMZAORVT64BKLV…
- 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
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
