An issue was discovered in cpp-peglib through v0.1.12.
Priority LOW 26CWE-476Published · Updated
Key facts
- Attack vector
- Local
- 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 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
An issue was discovered in cpp-peglib through v0.1.12. A NULL pointer dereference exists in the peg::AstOptimizer::optimize() located in peglib.h. It allows an attacker to cause Denial of Service.
Why it matters now
EPSS 0.00869 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:cpp-peglib_project:cpp-peglib:*:*:*:*:*:*:*:* | up to 0.1.12 | Vulnerable | Cpp-peglib Project |
- cpe:2.3:a:cpp-peglib_project:cpp-peglib:*:*:*:*:*:*:*:* Versions up to 0.1.12 Vulnerable ·Cpp-peglib Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-23914
- 2026-10-03 Alias added: GHSA-jwwp-39q3-42p7
References
More Cpp-peglib Project Cpp-peglib vulnerabilities
- TI-2020-14730 An issue was discovered in cpp-peglib through v0.1.12. CVSS 3.1MEDIUM 5.5
Sources
- CVE-2020-23914 · CVE Program
- CVE-2020-23914 · NVD
- FIRST EPSS
- GHSA-jwwp-39q3-42p7 · 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