NULL Pointer Dereference in swf_DumpActions() Function Leading to Denial of Service

CVE-2021-39563 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

An issue was discovered in swftools through 20200710. A NULL pointer dereference exists in the function swf_DumpActions() located in swfaction.c. It allows an attacker to cause Denial of Service.

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