Medium severity5.5NVD Advisory· Published Apr 21, 2021· Updated Jun 17, 2026
CVE-2020-23914
CVE-2020-23914
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.
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Affected products
3- cpp-peglib/cpp-peglibdescription
- Range: <=0.1.12
Patches
Vulnerability mechanics
References
2- github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3nvdPatchThird Party Advisory
- github.com/yhirose/cpp-peglib/issues/121nvdExploitThird Party Advisory
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