CVE-2021-33643
moderate-risk
Published 2022-08-10
An attacker who submits a crafted tar file with size in header struct being 0 may be able to trigger an calling of malloc(0) for a variable gnu_longlink, causing an out-of-bounds read.
Do I need to act?
-
0.24% 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 9.1/10
Critical
NETWORK
/ LOW complexity
Affected Vendors
References (13)
46
/ 100
moderate-risk
Severity
31/34 · Critical
Exploitability
1/34 · Minimal
Exposure
14/34 · Moderate