CVE-2026-106565
Received Received - Intake

Denial of Service in ImageMagick via Bzip2 Loop

Publication date: 2026-10-07

Last updated on: 2026-10-07

Assigner: GitHub, Inc.

Description
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to 7.1.2-32 and 6.9.13-57, a missing end-of-file check while reading bzip2-compressed image data can cause an infinite loop and exhaust processing resources. This issue is fixed in versions 7.1.2-32 and 6.9.13-57.

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Meta Information

Published
2026-10-07
Last Modified
2026-10-07
Generated
2026-10-07
AI Q&A
2026-10-07
EPSS Evaluated
N/A
NVD
CVE-2026-106565
EUVD
EUVD-2026-94380

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
ImageMagick ImageMagick < 6.9.13-57
ImageMagick ImageMagick >= 7.0.0, < 7.1.2-32

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-400 The product does not properly control the allocation and maintenance of a limited resource.
CWE-835 The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

Attack-Flow Graph

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Executive Summary

This vulnerability in ImageMagick involves a missing end-of-file check when processing bzip2-compressed images. It can cause an infinite loop during decompression, leading to excessive resource consumption and system slowdowns.

Detection Guidance

To detect this vulnerability, check the installed version of ImageMagick using the command: convert --version or identify --version. If the version is below 7.1.2-32 or 6.9.13-57, the system is vulnerable. Monitor for excessive CPU or memory usage during image processing tasks, which may indicate an infinite loop caused by this issue.

Impact Analysis

The vulnerability can cause denial-of-service conditions by consuming excessive CPU and memory resources. Systems processing malicious bzip2 images may become unresponsive or crash.

Compliance Impact

This vulnerability primarily causes excessive resource consumption leading to denial-of-service conditions, which may impact system availability. It does not directly affect data confidentiality or integrity, so its impact on GDPR or HIPAA compliance is likely minimal unless system unavailability disrupts regulated operations.

Mitigation Strategies

Immediately update ImageMagick to version 7.1.2-32 or 6.9.13-57 or later. If updating is not possible, disable processing of bzip2-compressed images by modifying configuration files or removing support for the format. Restrict network access to ImageMagick processing functions until patched.

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