ImageMagick Heap Buffer Overflow Vulnerability in FTXT Encoder

Vulnerability

A heap buffer overflow vulnerability has been identified in ImageMagick versions prior to 7.1.2-19. This vulnerability arises in the FTXT encoder, where missing boundary checks allow remote attackers to craft malicious FTXT image files that trigger out-of-bounds reads. Such exploitation can lead to denial-of-service conditions or unauthorized information disclosure.

Impact

Exploitation of this vulnerability causes a heap buffer overflow, leading to an out-of-bounds read. This can result in a denial-of-service condition or unauthorized information disclosure.

Added: Jul 8, 2026, 2:32 PM
Updated: Jul 8, 2026, 2:32 PM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
1.3
exploitability
4.2
remediation
7.7
relevance
9.6
threat
0.0
urgency
2.9
incentive
0.0

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.