Off-by-one error in the DecompressRTF function in ytnef.c in Yerase's TNEF Stream Reader…
Priority LOW 25CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-189 and the CVSS impact.
Summary
Off-by-one error in the DecompressRTF function in ytnef.c in Yerase's TNEF Stream Reader allows remote attackers to cause a denial of service (crash) via a crafted TNEF file, which triggers a buffer overflow.
Why it matters now
EPSS 0.02378 83rd 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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:randall_hand:yerase\'s_tnef_stream_reader:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Randall Hand |
| cpe:2.3:o:fedoraproject:fedora:16:*:*:*:*:*:*:* | 16 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:17:*:*:*:*:*:*:* | 17 | Vulnerable | Fedoraproject |
- cpe:2.3:a:randall_hand:yerase\'s_tnef_stream_reader:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Randall Hand
- cpe:2.3:o:fedoraproject:fedora:16:*:*:*:*:*:*:* Versions 16 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:17:*:*:*:*:*:*:* Versions 17 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2010-5109
- 2026-10-03 Alias added: GHSA-gm6c-c76r-gr4j
References
Sources
- CVE-2010-5109 · CVE Program
- CVE-2010-5109 · NVD
- FIRST EPSS
- GHSA-gm6c-c76r-gr4j · GitHub Advisory Database · CC BY 4.0
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