CVE-2026-25638Network attack vector

Resource exhaustion via unreleased MSL image list

Published Feb 24, 2026 · Updated Feb 24, 2026

Resource exhaustion in ImageMagick before 7.1.2-15 and 6.9.13-40 allows remote attackers to consume process memory through crafted MSL input. WriteMSLImage clones an image, passes the clone to ProcessMSLScript, and returns without destroying the resulting image list. Network-facing services that pass attacker-supplied MSL to ImageMagick can accumulate leaked allocations, increasing memory use and degrading process availability.

CVSS severity5.3
Medium
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Resource exhaustion in ImageMagick before 7.1.2-15 and 6.9.13-40 allows remote attackers to consume process memory through crafted MSL input. WriteMSLImage clones an image, passes the clone to ProcessMSLScript, and returns without destroying the resulting image list. Network-facing services that pass attacker-supplied MSL to ImageMagick can accumulate leaked allocations, increasing memory use and degrading process availability.

The record

CVE
CVE-2026-25638
Published
Feb 24, 2026
Updated
Feb 24, 2026
Vendor
ImageMagick Studio LLC
Product
ImageMagick
Classifications
CWE-401, T1499.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 24, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 6.9.13-40
  2. Affected versionversion=>= 7.0.0, < 7.1.2-15

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ImageMagick Studio LLC · ImageMagickversion=< 6.9.13-40; version=>= 7.0.0, < 7.1.2-15

Published CVSS scores

5.3GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-401Missing Release of Memory after Effective Lifetime
T1499.004Endpoint Denial of Service: Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo