IrfanView B3D PlugIns before version 4.56 has a B3d.dll!+27ef heap-based out-of-bounds write.
Priority MEDIUM 43CWE-787Published · 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 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
IrfanView B3D PlugIns before version 4.56 has a B3d.dll!+27ef heap-based out-of-bounds write.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00562 46th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-13878
- 2026-10-03 Alias added: GHSA-2737-gp9h-gmmc
References
More IrfanView B3d vulnerabilities
- TI-2020-10861 IrfanView B3D PlugIns before version 4.56 has a B3d.dll!+1cbf heap-based out-of-bounds write. CVSS 3.1CRITICAL 9.8
- TI-2020-10860 IrfanView B3D PlugIns before version 4.56 has a B3d.dll!+214f heap-based out-of-bounds write. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-13878 · CVE Program
- CVE-2020-13878 · NVD
- FIRST EPSS
- GHSA-2737-gp9h-gmmc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences