Vulnerability CVE-2021-3537
Published: 2021-05-14

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.

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Xmlsoft -> Libxml2 
Redhat -> Jboss core services 
Redhat -> Enterprise linux 
Fedoraproject -> Fedora 
Debian -> Debian linux 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=1956522
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QVM4UJ3376I6ZVOYMHBNX4GY3NIV52WV/
https://lists.debian.org/debian-lts-announce/2021/05/msg00008.html
Copyright 2024, cxsecurity.com

 

Back to Top