A global-buffer-overflow was found in SWFTools v0.9.2, in the function countline at swf5compiler.flex:327. It allows an attacker to cause code execution.
SWFTools 0.9.2 772e55a allows attackers to trigger a large memory-allocation attempt via a crafted document, as demonstrated by pdf2swf. This occurs in png_read_chunk in lib/png.c.