vulnerability
Debian: CVE-2020-21677: libsixel -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:M/Au:N/C:N/I:N/A:P) | Aug 10, 2021 | Jul 30, 2024 | Mar 30, 2026 |
Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
Published
Aug 10, 2021
Added
Jul 30, 2024
Modified
Mar 30, 2026
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 format.
Solution
debian-upgrade-libsixel
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