OpenJPEG out-of-bounds read and write enables denial of service
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Deferred Red Hat: fix deferred
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
OpenJPEG 2.4.0 through 2.5.4, and git master through commit 8314119b, has an out-of-bounds read (CWE-125) and write (CWE-787) in opj_dwt_encode_and_deinterleave_v() in src/lib/openjp2/dwt.c. An attacker can trigger a denial of service. CISA rates exploitation as proof-of-concept only, not automatable, with partial technical impact, and does not list the flaw in KEV. Red Hat rates it Moderate, and the CVSS 3.1 base score is 6.5 (MEDIUM).
Written with Claude Haiku 5.5 from the sources below · 2026-10-30
Description from the CNA
OpenJPEG 2.4.0 through 2.5.4, and git master through commit 8314119b, contains an out-of-bounds read and write in opj_dwt_encode_and_deinterleave_v() in src/lib/openjp2/dwt.c. This allows an attacker to cause a denial of service.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed OpenJPEG version is listed. Red Hat reports no fix plan for Red Hat Enterprise Linux 7, 8, 9 and 10.
Written with Claude Haiku 5.5 from the sources below · 2026-10-30
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Timeline
- 2026-10-26 Threatist record created from CVE-2026-107080
- 2026-10-26 Affected versions changed · Red Hat
- 2026-10-26 CVSS score added · Red Hat
- 2026-10-27 Alias added: GHSA-m2h8-hc63-r8ph
- 2026-10-30 CVSS score added · CISA ADP
- 2026-10-30 Weakness changed · CISA ADP
- 2026-10-30 CISA SSVC decision points changed
- 2026-10-30 Priority changed: LOW → MEDIUM
References
Sources
- CVE-2026-107080 · CVE Program
- CVE-2026-107080 · NVD
- FIRST EPSS
- GHSA-m2h8-hc63-r8ph · GitHub Advisory Database · CC BY 4.0
- CVE-2026-107080 · Red Hat security data · CC BY 4.0
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