ImageMagick before 7.1.2-26 Memory Leak in JNG encoder
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- Present
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Partial Red Hat: 2 without a fix
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-401.
Summary
ImageMagick before 7.1.2-26 contains a memory leak vulnerability in the JNG encoder when a blob cannot be opened. Attackers can trigger the memory leak by providing malformed JNG files that fail blob operations, causing resource exhaustion.
Why it matters now
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 | before 7.1.2-26 | 7.1.2-26 | Patch available | CNA |
- ImageMagick VendorImageMagick Affected before 7.1.2-26 Fixed in 7.1.2-26 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* | before 7.1.2-26 | Vulnerable | ImageMagick |
- cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:* Versions before 7.1.2-26 Vulnerable ·ImageMagick
Remediation
- Fix · CNA ImageMagick (ImageMagick) Fixed in 7.1.2-26
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
ImageMagick 7.1.2-26
13 records Highest priority Priority LOW 13 LOW
Other records, highest priority first
- TI-2026-44275 ImageMagick before 7.1.2-26 Memory Leak in ICON decoderPriority LOW 28
- TI-2026-44264 ImageMagick before 7.1.2-26 Use-After-Free via freetypePriority LOW 28
- TI-2026-44272 ImageMagick before 7.1.2-26 Memory Leak in YUV DecoderPriority LOW 27
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 yet: Fix deferred |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-02 Threatist record created from CVE-2026-61866
- 2026-10-03 Alias added: GHSA-848j-9x6v-4m2q
References
More Imagemagick vulnerabilities
- 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
Sources
- CVE-2026-61866 · CVE Program
- CVE-2026-61866 · NVD
- FIRST EPSS
- GHSA-848j-9x6v-4m2q · GitHub Advisory Database · CC BY 4.0
- CVE-2026-61866 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences