CVE-2017-13658

CVE-2017-13658 is a denial-of-service vulnerability affecting ImageMagick versions prior to 6.9.9-3 and 7.0.6-3. It stems from a missing NULL check in the ReadMATImage function, which can cause an assertion failure and application exit when processing a specially crafted image. Rated as MEDIUM severity (CVSS 6.5), this vulnerability can be triggered remotely with low attack complexity, requiring user interaction to process the malicious file, and primarily impacts availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.