CVE-2026-56369 PUBLISHED

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

Assigner: VulnCheck
Reserved: 21.06.2026 Published: 30.06.2026 Updated: 01.07.2026

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.

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	High	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 3.7

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	ImageMagick
Product	ImageMagick
Versions	Default: unaffected affected from 0 to 7.1.2-22 (excl.) Version 7.1.2-22 is unaffected

Vendor	ImageMagick
Product	ImageMagick
Versions	Default: unaffected affected from 0 to 6.9.13-47 (excl.) Version 6.9.13-47 is unaffected

CVE-2026-56369 PUBLISHED

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

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Product Status

Credits

References

Problem Types