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TI-2026-69531 Aliases CVE-2026-105826GHSA-2cp5-jqmr-pvw2

ImageMagick MAT decoder bypasses temporary file size policy

Priority LOW 36CWE-409Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
Partial Red Hat: 2 without a fix

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat.

Summary

ImageMagick before 6.9.13-55 and 7.x before 7.1.2-30 has a security policy bypass in its MAT decoder. The decoder does not enforce configured temporary file size limits when reading highly compressed data (CWE-409). A remote attacker without privileges or user interaction can supply a crafted MAT image whose decompressed data fills temporary files beyond the policy limit, consuming disk resources.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

ImageMagick before 6.9.13-55 and 7.x before 7.1.2-30 contains a security policy bypass in the MAT decoder, which does not enforce configured temporary file size limits when reading highly compressed data. Attackers can supply a crafted MAT image whose decompressed data is written to temporary files larger than the policy allows, consuming disk resources.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00333 24th percentileScored 2026-10-09
Fix Partial ImageMagick (ImageMagick): 7.1.2-30, 6.9.13-55Red Hat: 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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 7.1.2-307.1.2-30Patch availableCNA
ImageMagickImageMagickbefore 6.9.13-556.9.13-55Patch availableCNA
  • ImageMagick VendorImageMagick Affected before 7.1.2-30 Fixed in 7.1.2-30 Patch available CNA
  • ImageMagick VendorImageMagick Affected before 6.9.13-55 Fixed in 6.9.13-55 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*——ImageMagick
  • cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* Versions — — ·ImageMagick

Remediation

Upgrade ImageMagick 6 to 6.9.13-55 and ImageMagick 7 to 7.1.2-30. Red Hat rates this Moderate, lists no fix planned for Red Hat Enterprise Linux 6, and lists the plan for Red Hat Enterprise Linux 7 as none available.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA ImageMagick (ImageMagick) Fixed in 7.1.2-30
  • Fix · CNA ImageMagick (ImageMagick) Fixed in 6.9.13-55

Fixed in the same release

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

  • Release ·

    ImageMagick 6.9.13-55, 7.1.2-30

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2026-69532 Uncontrolled recursion in ImageMagick CALS decoder crashes processPriority LOW 36
    • TI-2026-69530 Denial of service in ImageMagick via crafted XMP profilePriority LOW 36
    • TI-2026-69529 Use-after-free in ImageMagick RSVG decoder without Cairo supportPriority LOW 35
    Show all 4 records →

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix yet: Fix deferred

Timeline

  1. 2026-10-08 Threatist record created from CVE-2026-105826
  2. 2026-10-08 Alias added: GHSA-2cp5-jqmr-pvw2
  3. 2026-10-08 CISA SSVC decision points changed
  4. 2026-10-08 Priority changed: MEDIUM → LOW
  5. 2026-10-09 Affected versions changed · Red Hat
  6. 2026-10-09 CVSS score added · Red Hat

References

Advisory 1

  • 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 915 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences