This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page.
View CVE-2020-21548 →
DEBIAN-CVE-2020-21548
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
Original description
The description as published by the source.
Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.
Source: OSV.dev (Open Source Vulnerabilities) OSV
Affected packages
Debian:12
libsixel
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-1"}]}]
Debian:13
libsixel
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-1"}]}]
Debian:14
libsixel
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.6-1"}]}]
References
- advisory security-tracker.debian.org