CVEvulnerability
CVE-2020-23914
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-04-21
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-476
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.
Affected configurations
• cpp-peglib project cpp-peglib (<= 0.1.12)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3 Patch, Third Party Advisory
- https://github.com/yhirose/cpp-peglib/issues/121 Exploit, Third Party Advisory
- https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3 Patch, Third Party Advisory
- https://github.com/yhirose/cpp-peglib/issues/121 Exploit, Third Party Advisory