Vulnerability Description
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.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cpp-Peglib Project | Cpp-Peglib | <= 0.1.12 |
Related Weaknesses (CWE)
References
- https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336dPatchThird Party Advisory
- https://github.com/yhirose/cpp-peglib/issues/121ExploitThird Party Advisory
- https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336dPatchThird Party Advisory
- https://github.com/yhirose/cpp-peglib/issues/121ExploitThird Party Advisory
FAQ
What is CVE-2020-23914?
CVE-2020-23914 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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.
How severe is CVE-2020-23914?
CVE-2020-23914 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-23914?
Check the references section above for vendor advisories and patch information. Affected products include: Cpp-Peglib Project Cpp-Peglib.