CVE-2021-3517
high-risk
Published 2021-05-19
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.
Do I need to act?
-
0.11% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.6/10
High
NETWORK
/ LOW complexity
Affected Products (20)
Manageability Software Development Kit
References (26)
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1954232
Third Party Advisory
https://security.gentoo.org/glsa/202107-05
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210625-0002/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20211022-0004/
Not Applicable
https://www.oracle.com/security-alerts/cpujul2022.html
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1954232
Third Party Advisory
https://security.gentoo.org/glsa/202107-05
and 6 more references
52
/ 100
high-risk
Severity
29/34 · Critical
Exploitability
0/34 · Minimal
Exposure
23/34 · High