CVE-2021-3537
5.9 MEDIUMA vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causin...
Published: 2021-05-14 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 5.9 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CWE
- CWE-476
Affected products
| Vendor | Product |
|---|---|
| debian | active_iq_unified_manager, clustered_data_ontap, clustered_data_ontap_antivirus_connector |
| fedoraproject | active_iq_unified_manager, clustered_data_ontap, clustered_data_ontap_antivirus_connector |
| netapp | active_iq_unified_manager, clustered_data_ontap, clustered_data_ontap_antivirus_connector |
| oracle | active_iq_unified_manager, clustered_data_ontap, clustered_data_ontap_antivirus_connector |
| redhat | active_iq_unified_manager, clustered_data_ontap, clustered_data_ontap_antivirus_connector |
| xmlsoft | active_iq_unified_manager, clustered_data_ontap, clustered_data_ontap_antivirus_connector |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-3537
- [Patch]https://bugzilla.redhat.com/show_bug.cgi?id=1956522
- [Other]https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
- [Other]https://security.gentoo.org/glsa/202107-05
- [Other]https://security.netapp.com/advisory/ntap-20210625-0002/
- [Patch]https://www.oracle.com/security-alerts/cpuapr2022.html
- [Other]https://www.oracle.com/security-alerts/cpujul2022.html
- [Patch]https://www.oracle.com/security-alerts/cpuoct2021.html
- [Patch]https://bugzilla.redhat.com/show_bug.cgi?id=1956522
- [Other]https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BZOMV5J4PMZAORVT64BKLV6YIZAFDGX6/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
- [Other]https://security.gentoo.org/glsa/202107-05
- [Other]https://security.netapp.com/advisory/ntap-20210625-0002/
- [Patch]https://www.oracle.com/security-alerts/cpuapr2022.html
- [Other]https://www.oracle.com/security-alerts/cpujul2022.html
- [Patch]https://www.oracle.com/security-alerts/cpuoct2021.html
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