{"id":"CVE-2021-46700","details":"In libsixel 1.8.6, sixel_encoder_output_without_macro (called from sixel_encoder_encode_frame in encoder.c) has a double free.","modified":"2026-07-09T02:48:55.889104Z","published":"2022-02-19T19:15:10.960Z","references":[{"type":"REPORT","url":"https://github.com/saitoha/libsixel/issues/158"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/saitoha/libsixel","events":[{"introduced":"6a5be8b72d84037b83a5ea838e17bcf372ab1d5f"},{"last_affected":"6a5be8b72d84037b83a5ea838e17bcf372ab1d5f"}],"database_specific":{"cpe":"cpe:2.3:a:saitoha:libsixel:1.8.6:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.8.6"},{"last_affected":"1.8.6"}],"source":"CPE_STRING"}}],"versions":["1.8.6","v1.8.6"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-46700.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}