In ytnef 1.9.2, the DecompressRTF function in lib/ytnef.c allows remote attackers to…
Priority LOW 27CWE-125Published · 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-125 and the CVSS impact.
Summary
In ytnef 1.9.2, the DecompressRTF function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file.
Why it matters now
EPSS 0.00938 61st 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
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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ytnef_project:ytnef:1.9.2:*:*:*:*:*:*:* | 1.9.2 | Vulnerable | Ytnef Project |
- cpe:2.3:a:ytnef_project:ytnef:1.9.2:*:*:*:*:*:*:* Versions 1.9.2 Vulnerable ·Ytnef Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2017-9474
- 2026-10-03 Alias added: GHSA-7cgr-863x-4vff
References
More Ytnef Project Ytnef vulnerabilities
- TI-2009-03694 ytnef has directory traversal CVSS 3.1CRITICAL 9.8
- TI-2017-06521 In libytnef in ytnef through 1.9.2, there is a heap-based buffer over-read due to… CVSS 3.0CRITICAL 9.8
- TI-2017-06597 The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not… CVSS 3.0HIGH 8.8
- TI-2021-02371 Memory corruption in ytnef CVSS 3.1HIGH 7.8
- TI-2021-02370 Use after free in ytnef CVSS 3.1HIGH 7.8
- TI-2017-04138 An issue was discovered in ytnef before 1.9.1. CVSS 3.0HIGH 7.8
Sources
- CVE-2017-9474 · CVE Program
- CVE-2017-9474 · NVD
- FIRST EPSS
- GHSA-7cgr-863x-4vff · GitHub Advisory Database · CC BY 4.0
- CVE-2017-9474 · 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