Buffer overflow in the changevalue function in libcgi.h for Marcos Luiz Onisto Lib CGI…
Priority MEDIUM 52CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Buffer overflow in the changevalue function in libcgi.h for Marcos Luiz Onisto Lib CGI 0.1 allows remote attackers to execute arbitrary code via a long argument.
Why it matters now
EPSS 0.0658 93rd 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:marcos_luiz_onisto:lib_cgi:0.1:*:*:*:*:*:*:* | 0.1 | Vulnerable | Marcos Luiz Onisto |
- cpe:2.3:a:marcos_luiz_onisto:lib_cgi:0.1:*:*:*:*:*:*:* Versions 0.1 Vulnerable ·Marcos Luiz Onisto
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2002-2251
- 2026-10-03 Alias added: GHSA-2fj2-f362-29wp
Sources
- CVE-2002-2251 · CVE Program
- CVE-2002-2251 · NVD
- FIRST EPSS
- GHSA-2fj2-f362-29wp · GitHub Advisory Database · CC BY 4.0
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