Use-after-free vulnerability in the opj_j2k_write_mco function in j2k.c in OpenJPEG…
Priority MEDIUM 48CWE-416Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.
Summary
Use-after-free vulnerability in the opj_j2k_write_mco function in j2k.c in OpenJPEG before 2.1.1 allows remote attackers to have unspecified impact via unknown vectors.
Why it matters now
EPSS 0.03548 89th 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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:* | up to 2.1.0 | Vulnerable | The OpenJPEG Project |
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:* Versions up to 2.1.0 Vulnerable ·The OpenJPEG Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. 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-2015-8871
- 2026-10-03 Alias added: GHSA-34fc-57pc-g3m4
References
Patch 2
Advisory 5
Sources
- CVE-2015-8871 · CVE Program
- CVE-2015-8871 · NVD
- FIRST EPSS
- GHSA-34fc-57pc-g3m4 · GitHub Advisory Database · CC BY 4.0
- CVE-2015-8871 · 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