Multiple stack-based buffer overflows in unrtf 0.21.9 allow remote attackers to cause a…
Priority LOW 38CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- 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-119 and the CVSS impact.
Summary
Multiple stack-based buffer overflows in unrtf 0.21.9 allow remote attackers to cause a denial-of-service by writing a negative integer to the (1) cmd_expand function, (2) cmd_emboss function, or (3) cmd_engrave function.
Why it matters now
EPSS 0.02836 86th 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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:unrtf_project:unrtf:0.21.9:*:*:*:*:*:*:* | 0.21.9 | Vulnerable | Unrtf Project |
- cpe:2.3:a:unrtf_project:unrtf:0.21.9:*:*:*:*:*:*:* Versions 0.21.9 Vulnerable ·Unrtf Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2016-10091
- 2026-10-03 Alias added: GHSA-v5hp-qp98-7ggj
References
Patch 2
More Unrtf Project Unrtf vulnerabilities
- TI-2025-40353 A NULL pointer dereference in the src/path.c component of GNU Unrtf v0.21.10 allows… CVSS 3.1HIGH 7.5
- TI-2014-07529 UnRTF allows remote attackers to cause a denial of service (crash) and possibly execute… CVSS 2.0HIGH 7.5
- TI-2014-07530 UnRTF allows remote attackers to cause a denial of service (out-of-bounds memory access… CVSS 2.0HIGH 7.5
- TI-2025-40352 A stack overflow in the src/main.c component of GNU Unrtf v0.21.10 allows attackers to… CVSS 3.1MEDIUM 6.2
Sources
- CVE-2016-10091 · CVE Program
- CVE-2016-10091 · NVD
- FIRST EPSS
- GHSA-v5hp-qp98-7ggj · GitHub Advisory Database · CC BY 4.0
- CVE-2016-10091 · Red Hat security data · CC BY 4.0
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