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ImageMagick CVE-2026-64685

MEDIUM
Out-of-bounds Read (CWE-125)
2026-07-29 GitHub_M
Buffer Overflow Information Disclosure Imagemagick Red Hat Suse
5.3
CVSS 3.1 · Vendor: GitHub_M
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Severity by source

Vendor (GitHub_M) PRIMARY
5.3 MEDIUM
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
vuln.today AI
5.3 MEDIUM

Network-exploitable via crafted image with no authentication or interaction required; impact strictly limited to partial heap read with no write or availability component.

3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SUSE
4.0 MEDIUM
AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Red Hat
5.3 MEDIUM
qualitative

Primary rating from Vendor (GitHub_M).

CVSS VectorVendor: GitHub_M

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

2
Analysis Generated
Jul 30, 2026 - 00:28 vuln.today
CVE Published
Jul 29, 2026 - 23:47 cve.org
MEDIUM 5.3

DescriptionCVE.org

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions prior to 7.1.2-27, the BGR decoder does not check for an end-of-file in every location so a crafted image could result in an heap buffer over-read. This issue has been fixed in version 7.1.2-27.

AnalysisAI

The BGR decoder in ImageMagick prior to 7.1.2-27 fails to check for end-of-file at all necessary code paths, allowing remote unauthenticated attackers to trigger a heap buffer over-read via a crafted image file. The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) confirms network-exploitable, zero-prerequisite access with impact limited to partial memory disclosure. No active exploitation (CISA KEV) and no public POC have been identified at the time of analysis; a vendor-released patch is available in version 7.1.2-27.

Technical ContextAI

ImageMagick (CPE: cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*) is a widely-used open-source library and CLI toolset supporting dozens of image formats. The BGR decoder handles raw BGR pixel-order image data. CWE-125 (Out-of-bounds Read) describes the root cause: the decoder reads from a heap-allocated buffer without verifying that the read position remains within the allocated bounds at every code path - specifically, not all locations include an end-of-file sentinel check. When a specially crafted BGR image triggers one of these unchecked paths, the decoder advances past the end of the buffer and reads adjacent heap memory. Despite the 'Buffer Overflow' tag in the intelligence data, the CWE-125 classification and C:L/I:N CVSS impact profile confirm this is a read-only over-read with no write primitive.

RemediationAI

Upgrade ImageMagick to version 7.1.2-27 or later, which contains the vendor-released fix for the missing EOF check in the BGR decoder. Full details are available in the GitHub Security Advisory GHSA-7rgw-xg25-prjm at https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-7rgw-xg25-prjm. If an immediate upgrade is not feasible, restrict BGR format processing via ImageMagick's policy.xml by adding a deny policy for the BGR coder (e.g., a 'deny' rights entry for pattern 'BGR') - this eliminates the attack surface with minimal functional impact for deployments not requiring BGR format support, though it will break any workflows explicitly using raw BGR images. Additionally, running ImageMagick in a sandboxed process (seccomp, AppArmor, or containerized isolation) limits the blast radius of any heap disclosure to the sandboxed memory space. Confirm whether your distribution packages a patched 6.x build if that branch is in use.

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Same weakness CWE-125 – Out-of-bounds Read

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Vendor StatusVendor

SUSE

Severity: Moderate
Product Status
openSUSE Tumbleweed Fixed
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 Affected
SUSE Linux Enterprise Server 15 SP7 Affected
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise Server for SAP Applications 15 SP7 Affected

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CVE-2026-64685 vulnerability details – vuln.today
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