Irfanview v4.62 allows a user-mode write access violation via a crafted JPEG 2000 file…
Priority MEDIUM 58CWE-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 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Irfanview v4.62 allows a user-mode write access violation via a crafted JPEG 2000 file starting at JPEG2000+0x0000000000001bf0.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00552 46th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-26974
- 2026-10-03 Alias added: GHSA-6c6j-xcgv-52vx
References
More Irfanview vulnerabilities
- TI-2012-00824 Stack-based buffer overflow in the JPEG2000 plugin in IrfanView PlugIns before 4.33… CVSS 2.0MEDIUM 6.8
- TI-2007-01790 Buffer overflow in IrfanView 3.99 allows remote attackers to execute arbitrary code via a… CVSS 2.0HIGH 10.0
- TI-2008-00465 fpx.dll 3.9.8.0 in the FlashPix plugin for IrfanView 4.10 allows remote attackers to… CVSS 2.0HIGH 9.3
- TI-2007-01870 Buffer overflow in IrfanView 3.99 allows context-dependent attackers to cause a denial of… CVSS 2.0HIGH 9.3
- TI-2007-02281 Buffer overflow in IrfanView 4.00 and earlier allows user-assisted remote attackers to… CVSS 2.0HIGH 8.5
- TI-2020-10885 IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!GetPlugInInfo+0x0000000000038ed4. CVSS 3.1HIGH 8.8
Sources
- CVE-2023-26974 · CVE Program
- CVE-2023-26974 · NVD
- FIRST EPSS
- GHSA-6c6j-xcgv-52vx · GitHub Advisory Database · CC BY 4.0
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