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ImageMagick Heap Buffer Over-Read Vulnerability in MAT Decoder

Vulnerability

A heap buffer over-read vulnerability has been identified in ImageMagick's MAT decoder, prior to versions 7.1.2-16 and 6.9.13-41. The issue arises from the use of 32-bit arithmetic due to incorrect parenthesization, leading to a heap over-read condition.

Impact

Exploitation of this vulnerability causes a heap buffer over-read, which can potentially lead to information disclosure or memory corruption.

Remediation

Users can upgrade to ImageMagick versions 7.1.2-16 or 6.9.13-41 to address this vulnerability.

Added: Mar 10, 2026, 7:46 AM
Updated: Mar 10, 2026, 7:46 AM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
1.3
exploitability
4.7
remediation
7.7
relevance
4.1
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.