CVE-2026-56375 json
ImageMagick - Memory Leak in ASHLAR Coder Action Failure
published 2026-03-26 7 mo ago modified 2026-10-25 14 d ago also EUVD-2026-44627 , GHSA-6p22-q7w5-33pg , GHSA-xqmc-7954-658r , JLSEC-2026-1056
- cvss
- 3.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 4%
- public exploits
- 0
- none known
Summary
ImageMagick through 7.1.2-18 contains a memory leak vulnerability in the ASHLAR coder when an action fails. Attackers can trigger failed actions to exhaust memory resources and cause denial of service.
Patch / fix
- nuget Magick.NET-Q16-AnyCPU 14.11.1
- nuget Magick.NET-Q16-HDRI-AnyCPU 14.11.1
- nuget Magick.NET-Q16-HDRI-OpenMP-arm64 14.11.1
- nuget Magick.NET-Q16-HDRI-arm64 14.11.1
- nuget Magick.NET-Q16-HDRI-x64 14.11.1
- nuget Magick.NET-Q16-HDRI-x86 14.11.1
- nuget Magick.NET-Q16-OpenMP-arm64 14.11.1
- nuget Magick.NET-Q16-OpenMP-x64 14.11.1
- nuget Magick.NET-Q16-OpenMP-x86 14.11.1
- nuget Magick.NET-Q16-arm64 14.11.1
- nuget Magick.NET-Q16-x64 14.11.1
- nuget Magick.NET-Q16-x86 14.11.1
- nuget Magick.NET-Q8-AnyCPU 14.11.1
- nuget Magick.NET-Q8-OpenMP-arm64 14.11.1
- nuget Magick.NET-Q8-OpenMP-x64 14.11.1
- nuget Magick.NET-Q8-arm64 14.11.1
- nuget Magick.NET-Q8-x64 14.11.1
- nuget Magick.NET-Q8-x86 14.11.1
- julia ImageMagick_jll 7.1.2023+0
- imagemagick Debian 13 8:7.1.1.43+dfsg1-1+deb13u12
- imagemagick Debian 14 8:7.1.2.18+dfsg1-1
debian advisories DEBIAN-CVE-2026-56375
- ImageMagick SLES for SAP applications 16.0, SLES 16.0 7.1.2.0-160000.13.1
- ImageMagick SLE Module for Development Tools 15 SP7, SLE Module for Desktop Applications 15 SP7 7.1.1.43-150700.3.70.1
- ImageMagick SLE Module for Desktop Applications 15 SP7 7.1.0.9-150400.6.101.1
- ImageMagick SLES for SAP 15 SP6, SLES 15 SP6-LTSS 7.1.1.21-150600.3.80.2
suse advisories SUSE-SU-2026:3219-1SUSE-SU-2026:22861-1SUSE-SU-2026:3194-1SUSE-SU-2026:3193-1
- ImageMagick openSUSE Leap 16.0 7.1.2.0-160000.13.1
- ImageMagick openSUSE Tumbleweed 7.1.2.27-3.1
opensuse advisories openSUSE-SU-2026:21426-1openSUSE-SU-2026:11310-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-56375 updated cvss 3.3
Magick.NET-Q16-AnyCPU: Magick.NET-Q16-HDRI-AnyCPU: Magick.NET-Q16-HDRI-OpenMP-arm64: Magick.NET-Q16-HDRI-arm64: Magick.NET-Q16-HDRI-x64: Magick.NET-Q16-HDRI-x86: Magick.NET-Q16-OpenMP-arm64: Magick.NE
-
Red Hat Enterprise Linux 6 ImageMagick, ImageMagick-c++, ImageMagick-perl Red Hat Enterprise Linux 7 ImageMagick, ImageMagick-c++, ImageMagick-perlaffected: workaround, no fix available “Fix deferred”
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.15% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 4.8 | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N |
| CNA | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| GitHub | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
| CNA | 4.0 | 4.8 | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| OSV | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| nuget | Magick.NET-Q16-AnyCPU | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q16-HDRI-AnyCPU | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q16-HDRI-OpenMP-arm64 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q16-HDRI-arm64 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q16-HDRI-x64 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q16-HDRI-x86 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q16-OpenMP-arm64 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q16-OpenMP-x64 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q16-OpenMP-x86 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q16-arm64 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q16-x64 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q16-x86 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q8-AnyCPU | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q8-OpenMP-arm64 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q8-OpenMP-x64 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q8-arm64 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q8-x64 | <14.11.1 |
14.11.1 |
| nuget | Magick.NET-Q8-x86 | <14.11.1 |
14.11.1 |
| julia | ImageMagick_jll | <7.1.2023+0 |
7.1.2023+0 |
Affected products
- ImageMagick ImageMagick
Classification
- Weakness
-
- CWE-401 Missing Release of Memory after Effective Lifetime
References
-
github.com
/ImageMagick/ImageMagick/security/advisories/GHSA-6p22-q7w5-33pg
vendor-advisory, web
-
vulncheck.com
/advisories/imagemagick-memory-leak-in-ashlar-coder-action-failure
third-party-advisory, web
-
github.com
/ImageMagick/ImageMagick
package
-
github.com
/advisories/GHSA-xqmc-7954-658r
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-56375
web
Sources
- CVE List CVE-2026-56375
- GitHub Advisory GHSA-6p22-q7w5-33pg
- NVD CVE-2026-56375
- OSV JLSEC-2026-1056
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.