CVE-2021-3537
Advisory lineage Upstream: 0 Downstream: 18
Modified
Published: 14 May 2021, 19:50
Last modified:03 Aug 2024, 17:01
Vulnerability Summary
Overall Risk (default)
low
24/100 CVSS Score
5.9 MEDIUM
v3.1 (nvd)
EPSS Score
0.11% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
14 May 2021, 19:50
Published
Vulnerability first disclosed
03 Aug 2024, 17:01
Last Modified
Vulnerability information updated
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 Metrics
- v3.1•MEDIUM•Score: 5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 4.3AV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 0.11%• Percentile: 29%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- debian•debian_linux
9.0
- fedoraproject•fedora
33 | 34
- netapp•active_iq_unified_manager
na
- netapp•clustered_data_ontap
na
- netapp•clustered_data_ontap_antivirus_connector
na
- netapp•hci_h410c_firmware
na
- netapp•manageability_software_development_kit
na
- netapp•ontap_select_deploy_administration_utility
na
- netapp•snapdrive
na
- oracle•communications_cloud_native_core_network_function_cloud_native_environment
1.10.0
- oracle•enterprise_manager_base_platform
13.4.0.0 | 13.5.0.0
- oracle•enterprise_manager_ops_center
12.4.0.0
- oracle•mysql_workbench
≤ 8.0.26
- oracle•openjdk
8:update301
- oracle•peoplesoft_enterprise_peopletools
8.58
- oracle•real_user_experience_insight
13.4.1.0 | 13.5.1.0
- redhat•enterprise_linux
6.0 | 7.0 | 8.0
- redhat•jboss_core_services
na
- xmlsoft•libxml2
< 2.9.11
References (9)
- 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