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Red Hat CVE-2026-40183

| EUVDEUVD-2026-22114 MEDIUM
Heap-based Buffer Overflow (CWE-122)
2026-04-13 GitHub_M GHSA-jvgr-9ph5-m8v4
Heap Overflow Buffer Overflow Red Hat Suse
5.5
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SUSE
MEDIUM
qualitative
Red Hat
5.5 MEDIUM
qualitative

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
Patch released
Apr 14, 2026 - 20:30 nvd
Patch available
EUVD ID Assigned
Apr 13, 2026 - 21:45 euvd
EUVD-2026-22114
CVE Published
Apr 13, 2026 - 21:28 nvd
MEDIUM 5.5

DescriptionGitHub Advisory

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19.

Analysis

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below 7.1.2-19, the JXL encoder has an heap write overflow when a user specifies that the image should be encoded as 16 bit floats. This issue has been fixed in version 7.1.2-19.

Same weakness CWE-122 – Heap-based Buffer Overflow

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CVE-2023-4911 HIGH POC
7.8
CVE-2025-24985 HIGH POC
7.8
CVE-2025-21418 HIGH
7.8
CVE-2025-24993 HIGH
7.8
CVE-2023-6246 HIGH POC
8.4
CVE-2026-42945 CRITICAL POC
9.2
CVE-2014-0781 CRITICAL POC
9.3
CVE-2024-30085 HIGH POC
7.8

Same technique Heap Overflow

View all
CVE-2023-4911 HIGH POC
7.8
CVE-2025-5419 HIGH POC
8.8
CVE-2025-21418 HIGH
7.8
CVE-2023-6246 HIGH POC
8.4
CVE-2026-42945 CRITICAL POC
9.2
CVE-2014-0781 CRITICAL POC
9.3
CVE-2024-30085 HIGH POC
7.8
CVE-2024-30038 HIGH POC
7.8

Vendor StatusVendor

SUSE

Severity: Medium
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 Fixed
SUSE Linux Enterprise Module for Development Tools 15 SP7 Fixed
SUSE Linux Enterprise Module for Package Hub 15 SP7 Fixed

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CVE-2026-40183 vulnerability details – vuln.today
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