TI-2026-40732 Aliases CVE-2026-56369 GHSA-vgqj-4jhr-3wh5

ImageMagick - Information Disclosure via AES-CTR Nonce Reuse in PasskeyEncipherImage

LOW 28CWE-323Published 2026-06-30 · Updated 2026-10-29

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Attack requirements: Present
Impact type: —
Confidentiality · integrity · availability: Low · None · None
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 7.1.2-22 contains an information disclosure vulnerability in the PasskeyEncipherImage method due to AES-CTR nonce reuse. Attackers can exploit nonce reuse in the cipher implementation to recover plaintext information from encrypted images.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0023 13th percentileScored 2026-11-07

Fix Partial ImageMagick (ImageMagick): 7.1.2-22, 6.9.13-47Red 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	7.0.0 to before 7.1.2-22	7.1.2-22	Patch available	CNA
ImageMagick	ImageMagick	before 6.9.13-47	6.9.13-47	Patch available	CNA

ImageMagick VendorImageMagick Affected 7.0.0 to before 7.1.2-22 Fixed in 7.1.2-22 Patch available CNA
ImageMagick VendorImageMagick Affected before 6.9.13-47 Fixed in 6.9.13-47 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:imagemagick:imagemagick::::::::	before 6.9.13-47; 7.0.0-0 to before 7.1.2-22	Vulnerable	ImageMagick

cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* Versions before 6.9.13-47; 7.0.0-0 to before 7.1.2-22 Vulnerable ·ImageMagick

Remediation

Fix · CNA ImageMagick (ImageMagick) Fixed in 7.1.2-22
Fix · CNA ImageMagick (ImageMagick) Fixed in 6.9.13-47

Fixed in the same release

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

Release · 2026-06-30
ImageMagick 6.9.13-47, 7.1.2-22
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-40726 ImageMagick - Division by Zero in Binomial Kernel ProcessingPriority LOW 21
Show all 2 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 planned: Out of support scope

Timeline

2026-10-02 Threatist record created from CVE-2026-56369
2026-10-03 Alias added: GHSA-vgqj-4jhr-3wh5
2026-10-29 Affected versions changed · CNA

References

Advisory 1

GitHub Security Advisory (GHSA-qv2q-c278-pch5)

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