{"id":"CVE-2020-21677","aliases":["DEBIAN-CVE-2020-21677","EUVD-2020-14445","GHSA-j9fq-4p85-2pqh","UBUNTU-CVE-2020-21677"],"status":"published","title":"A heap-based buffer overflow in the sixel_encoder_output_without_macro function in encoder.c of...","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 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