Vulnerabilities > CVE-2020-21677 - Out-of-bounds Write vulnerability in Libsixel Project Libsixel 1.8.4
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 |