wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause…
Priority LOW 30CWE-119Published · Updated
Key facts
- Attack vector
- Network
- 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-119 and the CVSS impact.
Summary
wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause a denial of service (SEGV) via a long second argument. NOTE: this is not a Microsoft product.
Why it matters now
EPSS 0.00859 58th 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:libexcel_project:libexcel:0.01:*:*:*:*:*:*:* | 0.01 | Vulnerable | Libexcel Project |
- cpe:2.3:a:libexcel_project:libexcel:0.01:*:*:*:*:*:*:* Versions 0.01 Vulnerable ·Libexcel Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20304
- 2026-10-03 Alias added: GHSA-88pf-8p2q-mgcj
References
More Libexcel Project Libexcel vulnerabilities
- TI-2018-14324 wbook_addworksheet in workbook.c in libexcel.a in libexcel 0.01 allows attackers to cause… CVSS 3.0HIGH 7.5
Sources
- CVE-2018-20304 · CVE Program
- CVE-2018-20304 · NVD
- FIRST EPSS
- GHSA-88pf-8p2q-mgcj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences