Candidate: CVE-2020-21547 PublicDate: 2021-09-17 21:15:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21547 https://github.com/saitoha/libsixel/issues/114 https://github.com/saitoha/libsixel/commit/9d0a7ff417b66d80a4bff714de1f27b24742f55a (v1.8.4) Description: Libsixel 1.8.2 contains a heap-based buffer overflow in the dither_func_fs function in tosixel.c. 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:H/I:H/A:H [8.8 HIGH] 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