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ImageMagick Integer Overflow Vulnerability in SIXEL Decoder Allowing Out-of-Bounds Write

Vulnerability

A moderate integer overflow vulnerability has been identified in the SIXEL decoder of ImageMagick versions prior to 7.1.2-16. This vulnerability allows attackers to perform out-of-bounds writes by exploiting specially crafted images.

Impact

Exploitation of this vulnerability leads to out-of-bounds writes, which can commonly result in memory corruption or arbitrary code execution.

Remediation

Users can upgrade to ImageMagick version 7.1.2-16 or later to address this vulnerability.

Added: Mar 10, 2026, 7:51 AM
Updated: Mar 10, 2026, 7:51 AM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
0.6
exploitability
4.7
remediation
7.7
relevance
3.7
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.