CVE-2021-3537
moderate-risk
Published 2021-05-14
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.
Do I need to act?
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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
5
CVSS 5.9/10
Medium
NETWORK
/ HIGH complexity
Affected Products (20)
Manageability Software Development Kit
Hci H410C Firmware
References (18)
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1956522
Third Party Advisory
https://security.gentoo.org/glsa/202107-05
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210625-0002/
Not Applicable
https://www.oracle.com/security-alerts/cpujul2022.html
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1956522
Third Party Advisory
https://security.gentoo.org/glsa/202107-05
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210625-0002/
Not Applicable
https://www.oracle.com/security-alerts/cpujul2022.html
39
/ 100
moderate-risk
Severity
18/34 · Moderate
Exploitability
0/34 · Minimal
Exposure
21/34 · High