CVE-2021-31873
moderate-risk
Published 2021-04-30
An issue was discovered in klibc before 2.0.9. Additions in the malloc() function may result in an integer overflow and a subsequent heap buffer overflow.
Do I need to act?
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0.89% 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
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (2)
Affected Vendors
References (12)
Release Notes
https://kernel.org/pub/linux/libs/klibc/2.0/
Release Notes
https://kernel.org/pub/linux/libs/klibc/2.0/
42
/ 100
moderate-risk
Severity
32/34 · Critical
Exploitability
3/34 · Minimal
Exposure
7/34 · Low