{"id":"CVE-2018-19759","details":"There is a heap-based buffer over-read at stb_image_write.h (function: stbi_write_png_to_mem) in libsixel 1.8.2 that will cause a denial of service.","modified":"2026-07-08T16:40:05.171930Z","published":"2018-11-30T03:29:00.437Z","references":[{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1649202"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/saitoha/libsixel","events":[{"introduced":"6219db6d8416fde3a3b1272e900a76ccdfadec01"},{"last_affected":"6219db6d8416fde3a3b1272e900a76ccdfadec01"}],"database_specific":{"cpe":"cpe:2.3:a:saitoha:libsixel:1.8.2:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.8.2"},{"last_affected":"1.8.2"}],"source":"CPE_STRING"}}],"versions":["1.8.2","v1.8.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19759.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}