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VULNERABILITIES

CVE-2020-23914 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3 CVEPatchThird Party Advisory
https://github.com/yhirose/cpp-peglib/issues/121 CVEExploitThird Party Advisory
https://github.com/yhirose/cpp-peglib/commit/0061f393de54cf0326621c079dc2988336d1ebb3 [email protected]PatchThird Party Advisory
https://github.com/yhirose/cpp-peglib/issues/121 [email protected]ExploitThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-476NULL Pointer Dereference[email protected]

Affected Products

ProductVersions
cpp-peglib project cpp-peglib
<= 0.1.12

CPE

  • cpe:2.3:a:cpp-peglib_project:cpp-peglib:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-23914
NVD Published Date:
Apr 21, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-23914 Details - Not Deferred