Vulnerability · Published Jun 30, 2026 · Assigned by VulnCheck
CVE-2026-56369ImageMagick - Information Disclosure via AES-CTR Nonce Reuse in PasskeyEncipherImage
Low 3.7
In plain English
A low-severity security flaw in ImageMagick from ImageMagick. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)3.7Low
Exploit odds (30 days)0.2%top 86.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | imagemagick | no fix listed | DEBIAN-CVE-2026-56369 |
| Debian:13 | imagemagick | no fix listed | DEBIAN-CVE-2026-56369 |
| Debian:14 | imagemagick | 8:7.1.2.23+dfsg1-1 | DEBIAN-CVE-2026-56369 |
| NuGet | magick.net-q16-anycpu | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q16-arm64 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q16-hdri-anycpu | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q16-hdri-arm64 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q16-hdri-openmp-arm64 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q16-hdri-x64 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q16-hdri-x86 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q16-openmp-arm64 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q16-openmp-x64 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q16-x64 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q16-x86 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q8-anycpu | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q8-arm64 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q8-openmp-arm64 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q8-openmp-x64 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q8-x64 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| NuGet | magick.net-q8-x86 | 14.12.0 | GHSA-qv2q-c278-pch5 |
| Ubuntu:25.10 | imagemagick | no fix listed | UBUNTU-CVE-2026-56369 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ImageMagick | ImageMagick | 7.0.0 – before 7.1.2-22 |
| ImageMagick | ImageMagick | 0 – before 6.9.13-47 |
Weakness: CWE-323 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N