PicoC 2.1 has a heap-based buffer overflow in StringStrcpy in cstdlib/string.c when…
Priority LOW 36CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
PicoC 2.1 has a heap-based buffer overflow in StringStrcpy in cstdlib/string.c when called from ExpressionParseFunctionCall in expression.c.
Why it matters now
EPSS 0.00891 59th 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:picoc_project:picoc:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | Picoc Project |
- cpe:2.3:a:picoc_project:picoc:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Picoc Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-16277
- 2026-10-03 Alias added: GHSA-2pj2-82cm-7r39
References
More Picoc Project Picoc vulnerabilities
- TI-2022-21780 PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the… CVSS 3.1MEDIUM 5.5
- TI-2022-21779 PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the… CVSS 3.1MEDIUM 5.5
- TI-2022-21778 PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the… CVSS 3.1MEDIUM 5.5
- TI-2022-21775 PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the… CVSS 3.1MEDIUM 5.5
- TI-2022-21774 PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the… CVSS 3.1MEDIUM 5.5
- TI-2022-21773 PicoC Version 3.2.2 was discovered to contain a heap buffer overflow in the StringStrncpy… CVSS 3.1MEDIUM 5.5
Sources
- CVE-2019-16277 · CVE Program
- CVE-2019-16277 · NVD
- FIRST EPSS
- GHSA-2pj2-82cm-7r39 · GitHub Advisory Database · CC BY 4.0
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