CVE-2020-21677
Medium
Description
A heap-based buffer overflow in the sixel_encoder_output_without_macro function in encoder.c of Libsixel 1.8.4 allows attackers to cause a denial of service (DOS) via converting a crafted PNG file into Sixel format.
SeverityMedium
CVSS6.5
Exploit probability—
ProductSaitoha Libsixel
PublishedAug 10, 2021
First seenAug 10, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| saitoha libsixel | 1.8.4 | — |
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