This vulnerability is marked as RESERVED by NVD. This means that the CVE-ID is reserved for future use by the CVE Numbering Authority (CNA) or a security researcher, but the details of it are not yet publicly available yet.
This page will reflect the classification results once they are available through NVD.
Any vendor information available is shown as below.
CVE-2021-3517 libxml2: Heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c
|Red Hat Enterprise Linux 8||RedHat||libxml2-0:2.9.7-9.el8_4.2|
|Red Hat Migration Toolkit for Containers 1.4||RedHat||rhmtc/openshift-migration-ui-rhel8:v1.4.6-4|
There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application.
|Libxml2||Ubuntu/xenial||end of standard support, was needs-triage|
|Libxml2||Ubuntu/precise/esm||end of ESM support, was needs-triage|
|Libxml2||Ubuntu/trusty||out of standard support|