Name: CVE-2020-23914: NULL Pointer Dereference
Creator: Rapid7
Published: 2021-04-21T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2020-23914, CWE-476, CVSS 5.5, EPSS 0.00869

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 Details

CVSS 3.1 Base Score: 5.5
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	No solution exists	May 15, 2025	Apr 21, 2021
Ubuntu	—	No solution exists	Jun 26, 2025	Apr 21, 2021

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CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence