In libytnef in ytnef through 1.9.2, there is a heap-based buffer over-read due to…
Priority MEDIUM 45CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
In libytnef in ytnef through 1.9.2, there is a heap-based buffer over-read due to incorrect boundary checking in the SIZECHECK macro in lib/ytnef.c.
Why it matters now
EPSS 0.01538 75th 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:a:ytnef_project:ytnef:*:*:*:*:*:*:*:* | up to 1.9.2 | Vulnerable | Ytnef Project |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 14.04 | Vulnerable | Canonical |
- cpe:2.3:a:ytnef_project:ytnef:*:*:*:*:*:*:*:* Versions up to 1.9.2 Vulnerable ·Ytnef Project
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2017-9058
- 2026-10-03 Alias added: GHSA-4g85-cv2v-x664
References
Sources
- CVE-2017-9058 · CVE Program
- CVE-2017-9058 · NVD
- FIRST EPSS
- GHSA-4g85-cv2v-x664 · GitHub Advisory Database · CC BY 4.0
- CVE-2017-9058 · 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