CVE-2020-21548
moderate-risk
Published 2021-09-17
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
Do I need to act?
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0.38% 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 8.8/10
High
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
References (2)
36
/ 100
moderate-risk
Severity
30/34 · Critical
Exploitability
1/34 · Minimal
Exposure
5/34 · Minimal