Swftools null pointer dereference vulnerability (CNVD-2022-62212)

Swftools is a set of utilities for working with Adobe Flash files (SWF files.) A null pointer dereference vulnerability exists in Swftools 2020-12-22 and prior versions, which stems from the presence of a NULL pointer dereference in the function swf_GetBits() located in rfxswf.c. An attacker could exploit this vulnerability to enable a denial-of-service attack.