CVE-2021-39558

Name of the Vulnerable Software and Affected Versions: swftools versions through 20200710

Description: An issue exists in the function VectorGraphicOutputDev::drawGeneralImage() located in VectorGraphicOutputDev.cc, which allows an attacker to cause code execution due to a stack-buffer-overflow.

Recommendations: For versions through 20200710, consider disabling the VectorGraphicOutputDev::drawGeneralImage() function until a patch is available. Restrict access to the VectorGraphicOutputDev.cc module to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.