CVE-2026-48724

ImageMagick: Heap Buffer Underwrite in Floyd-Steinberg depth dithering

MEDIUM
5.5
CVSS Score
Published: June 10, 2026 at 09:52 PM UTC
Updated: July 23, 2026 at 07:32 PM UTC
1 product affected across 1 vendorImageMagick

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-24, when using an image with mask the Floyd-Steinberg dithering method it will cause a negative heap buffer over-write. This issue has been patched in version 7.1.2-24.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 7.1.2-24
Affected range stops below 7.1.2-24, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMGitHub_M
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-787

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