{"id":"CVE-2020-21548","aliases":["DEBIAN-CVE-2020-21548","EUVD-2020-14316","GHSA-rqxx-8p8c-6h26","UBUNTU-CVE-2020-21548"],"status":"published","title":"Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in...","description":"Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in 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Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21548"},{"url":"https://github.com/advisories/GHSA-rqxx-8p8c-6h26"},{"url":"https://security-tracker.debian.org/tracker/CVE-2020-21548","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2020-21548","tags":["report"]},{"url":"https://github.com/saitoha/libsixel/commit/9d0a7ff417b66d80a4bff714de1f27b24742f55a","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-21548","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2020-21548","description":"Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in tosixel.c.","status":"published","published":"2021-09-17T20:34:25Z","modified":"2024-08-04T14:30:33.319Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-14316","description":"Libsixel 1.8.3 contains a heap-based buffer overflow in the sixel_encode_highcolor function in 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