CVE-2017-16796: Swftools

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

In SWFTools 0.9.2, the png_load function in lib/png.c does not check the return value of a realloc call, which allows remote attackers to cause a denial of service (invalid write and application crash) or possibly have unspecified other impact via vectors involving an IDAT tag in a crafted PNG file.

Affected products

Published 2017-11-12. Last modified 2026-06-17.