Heap-based buffer overflow in the color_cmyk_to_rgb in common/color.c in OpenJPEG before…
Priority LOW 31CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Heap-based buffer overflow in the color_cmyk_to_rgb in common/color.c in OpenJPEG before 2.1.1 allows remote attackers to cause a denial of service (crash) via a crafted .j2k file.
Why it matters now
EPSS 0.03798 90th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:* | up to 2.1.0 | Vulnerable | The OpenJPEG Project |
| cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* | 23 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* | 24 | Vulnerable | Fedoraproject |
- cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:* Versions up to 2.1.0 Vulnerable ·The OpenJPEG Project
- cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:* Versions 23 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:* Versions 24 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4796
- 2026-10-03 Alias added: GHSA-2mcf-r7v5-r97j
- 2026-11-03 EPSS moved to the 90th–95th percentile
References
Patch 4
Sources
- CVE-2016-4796 · CVE Program
- CVE-2016-4796 · NVD
- FIRST EPSS
- GHSA-2mcf-r7v5-r97j · GitHub Advisory Database · CC BY 4.0
- CVE-2016-4796 · Red Hat security data · CC BY 4.0
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