{"id":"CVE-2021-42204","details":"An issue was discovered in swftools through 20201222. A heap-buffer-overflow exists in the function swf_GetBits() located in rfxswf.c. It allows an attacker to cause code execution.","modified":"2026-03-14T08:24:03.794782Z","published":"2022-06-02T14:15:30.127Z","references":[{"type":"EVIDENCE","url":"https://github.com/matthiaskramm/swftools/issues/169"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"2020-12-22"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-42204.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}