TI-2026-40116 Aliases CVE-2026-55577

ImageMagick: Heap Buffer Overflow in ImageMagick MVG decoder

LOW 26CWE-754Published 2026-07-01 · Updated 2026-07-01

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: Partial Red Hat: 2 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-51 and 7.1.2-26, a heap buffer overflow occurs in the MVG decoder that could result in an out of bounds write when processing a crafted image. This issue has been fixed in versions 6.9.13-51 and 7.1.2-26.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00226 13th percentileScored 2026-11-07

Fix Partial ImageMagick (ImageMagick): 7.1.2-26, 6.9.13-51Red 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	7.0.1-0 to before 7.1.2-26; before 6.9.13-51	7.1.2-26, 6.9.13-51	Patch available	CNA

ImageMagick VendorImageMagick Affected 7.0.1-0 to before 7.1.2-26; before 6.9.13-51 Fixed in 7.1.2-26, 6.9.13-51 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:imagemagick:imagemagick::::::::	before 6.9.13-51; 7.0.0-0 to before 7.1.2-26	Vulnerable	ImageMagick

cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* Versions before 6.9.13-51; 7.0.0-0 to before 7.1.2-26 Vulnerable ·ImageMagick

Remediation

Fix · CNA ImageMagick (ImageMagick) Fixed in 7.1.2-26, 6.9.13-51

Vendor assessments

Red Hat

Red Hat rating: Moderate. 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 planned: Out of support scope

Timeline

2026-10-02 Threatist record created from CVE-2026-55577

References

Advisory 1

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wx47-rm3x-jx6p

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