TI-2026-63054 Aliases CVE-2026-93590 GHSA-738c-v4gv-hcp2

ImageMagick before 7.1.2-31 Policy Bypass in UHDR encoder

LOW 28CWE-400Published 2026-09-18 · Updated 2026-09-21

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Attack requirements: Present
Impact type: Denial of service
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. Impact type from CWE-400.

Summary

ImageMagick before 7.1.2-31 contains a policy bypass vulnerability in the UHDR encoder that fails to perform policy checks during buffer allocation for image pixels. Attackers can bypass resource policies by processing specially crafted UHDR images, potentially causing denial of service through excessive memory allocation.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00387 33rd percentileScored 2026-11-07

Fix Partial ImageMagick (ImageMagick): 7.1.2-31Red Hat: 2 without a fix

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

Vendor	Product	Affected versions	Fixed in	Status	Source
ImageMagick	ImageMagick	before 7.1.2-31	7.1.2-31	Patch available	CNA

ImageMagick VendorImageMagick Affected before 7.1.2-31 Fixed in 7.1.2-31 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:imagemagick:imagemagick::::::::	before 7.1.2-31	Vulnerable	ImageMagick

cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* Versions before 7.1.2-31 Vulnerable ·ImageMagick

Remediation

Fix · CNA ImageMagick (ImageMagick) Fixed in 7.1.2-31

Fixed in the same release

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

Release · 2026-09-18
ImageMagick 7.1.2-31
5 records Highest priority Priority LOW 5 LOW
Other records, highest priority first
- TI-2026-63053 ImageMagick before 7.1.2-31 Division by Zero in FLIF encoderPriority LOW 28
- TI-2026-63051 ImageMagick before 7.1.2-31 Policy Bypass via PCD decoderPriority LOW 21
- TI-2026-63052 ImageMagick before 7.1.2-31 Null Pointer Dereference via PNMPriority LOW 12
Show all 5 records →

Vendor assessments

Red Hat

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

Product	Status	Plan or fix
Red Hat Enterprise Linux 6	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux 7	Affected	No fix yet: Fix deferred

Timeline

2026-10-02 Threatist record created from CVE-2026-93590
2026-10-03 Alias added: GHSA-738c-v4gv-hcp2
2026-10-18 CVSS score added · NVD

References

Advisory 1

GitHub Security Advisory (GHSA-7hjx-392p-f8cm)

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

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