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.
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-08-10T20:19:47

Updated: 2024-08-04T14:30:33.580Z

Reserved: 2020-08-13T00:00:00

Link: CVE-2020-21677

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-08-10T21:15:07.447

Modified: 2024-11-21T05:12:47.023

Link: CVE-2020-21677

cve-icon Redhat

No data.