CVE-2020-21048

published 2021-09-14

CVE-2020-21048: An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.

medium 6.5 CVSS 3.1

AV N AC L PR N UI R S U C N I N A H

An issue in the dither.c component of libsixel prior to v1.8.4 allows attackers to cause a denial of service (DOS) via a crafted PNG file.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	libsixel	< libsixel 1.8.6-1 (bookworm)	libsixel 1.8.6-1 (bookworm)
libsixel_project	libsixel	>= 0 < 1.8.6-1	1.8.6-1
libsixel_project	libsixel	>= 0 < 1.8.6-1	1.8.6-1
libsixel_project	libsixel	>= 0 < 1.8.6-1	1.8.6-1
libsixel_project	libsixel	>= 0 < 1.8.6-1	1.8.6-1
saitoha	libsixel	< 1.8.4	1.8.4

CVSS provenance

nvd v3.1 6.5 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

osv 6.5 MEDIUM