Candidate: CVE-2020-21048
PublicDate: 2021-09-14 16:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21048
 https://github.com/saitoha/libsixel/issues/73
 https://github.com/saitoha/libsixel/commit/cb373ab6614c910407c5e5a93ab935144e62b037
 https://github.com/saitoha/libsixel/commit/26ac06f3623279348f0dce2d191a9b6ca0c80226
 https://github.com/saitoha/libsixel/releases/tag/v1.8.4
 https://github.com/saitoha/libsixel/blob/master/ChangeLog
 https://bitbucket.org/netbsd/pkgsrc/commits/6f0c011cbfccdffa635d04c84433b1a02687adad
Description:
 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.
Ubuntu-Description:
Notes:
Mitigation:
Bugs:
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H [6.5 MEDIUM]


Patches_libsixel:
upstream_libsixel: released (1.8.6-1)
trusty_libsixel: ignored (out of standard support)
trusty/esm_libsixel: DNE
xenial_libsixel: ignored (out of standard support)
bionic_libsixel: needs-triage
focal_libsixel: needs-triage
hirsute_libsixel: not-affected (1.8.6-2)
impish_libsixel: not-affected
jammy_libsixel: not-affected
devel_libsixel: not-affected