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Memory leak in ImageMagick FPX encoder enables denial of service

Priority LOW 11CWE-401Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
High
Attack requirements
Present
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-401.

Summary

ImageMagick before 7.1.2-33 contains a memory leak in its FPX encoder, tracked as CWE-401. A remote attacker can submit a crafted image for FPX encoding to leak memory repeatedly, exhausting resources and causing denial of service. Exploitation requires user interaction and high attack complexity.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

ImageMagick before 7.1.2-33 contains a memory leak vulnerability in the FPX encoder that allows attackers to exhaust memory by supplying a crafted image. Attackers can submit crafted images for FPX encoding to leak memory repeatedly, causing resource exhaustion and denial of service.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00215 11th percentileScored 2026-11-07
Fix Fixed ImageMagick (ImageMagick): 7.1.2-33

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ImageMagickImageMagickbefore 7.1.2-337.1.2-33Patch availableCNA
  • ImageMagick VendorImageMagick Affected before 7.1.2-33 Fixed in 7.1.2-33 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*before 7.1.2-33VulnerableImageMagick
  • cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* Versions before 7.1.2-33 Vulnerable ·ImageMagick

Remediation

Upgrade ImageMagick to version 7.1.2-33 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

  • Fix · CNA ImageMagick (ImageMagick) Fixed in 7.1.2-33

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    ImageMagick 7.1.2-33

    20 records Highest priority Priority LOW 20 LOW

    Other records, highest priority first

    • TI-2026-80173 Memory leak in ImageMagick via crafted XMP profilePriority LOW 36
    • TI-2026-80172 Memory leak in ImageMagick XML parsing at nesting depth limitPriority LOW 36
    • TI-2026-80170 Memory leak in ImageMagick MAT decoder error pathPriority LOW 36

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

Not affected: 2 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-25 Threatist record created from CVE-2026-116150
  2. 2026-10-25 Affected versions changed · Red Hat
  3. 2026-10-25 CVSS score added · Red Hat
  4. 2026-10-26 CISA SSVC decision points changed
  5. 2026-10-27 Alias added: GHSA-2hqv-vfcc-p668
  6. 2026-10-30 Affected versions changed · Red Hat

References

  • TI-2016-03144 The (1) EPHEMERAL, (2) HTTPS, (3) MVG, (4) MSL, (5) TEXT, (6) SHOW, (7) WIN, and (8) PLT… KEVCVSS 3.1HIGH 8.4
  • TI-2023-16996 Improper input validation in ImageMagick CVSS 3.1CRITICAL 9.8
  • TI-2016-03148 The (1) HTTP and (2) FTP coders in ImageMagick before 6.9.3-10 and 7.x before 7.0.1-1… KEVCVSS 3.1MEDIUM 5.5
  • TI-2016-03145 The EPHEMERAL coder in ImageMagick before 6.9.3-10 and 7.x before 7.0.1-1 allows remote… KEVCVSS 3.1MEDIUM 5.5
  • TI-2025-35690 ImageMagick BlobStream Forward-Seek Under-Allocation CVSS 3.1CRITICAL 9.8
  • TI-2025-33094 ImageMagick has Stack Buffer Overflow in image.c CVSS 3.1CRITICAL 9.8
See all 888 →

Sources