Unrated

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 s...

CVE-2020-21677 First seen on SecPulse Aug 11, 2021

Fix status by distribution

Fixed packages published by each distribution for this CVE

Debian DEBIAN-CVE-2020-21677 libsixel Fixed in: 1.8.6-1
Ubuntu UBUNTU-CVE-2020-21677 libsixel

Original description The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

References

patch github.com

Key facts

Severity: Unrated
Published: Aug 11, 2021
First seen on SecPulse: Aug 11, 2021

NVD OSV

Detection sources

OSV.dev (Open Source Vulnerabilities)Oct 20, 19:52