CVE Vulnerabilities

CVE-2020-23914

NULL Pointer Dereference

Published: Apr 21, 2021 | Modified: Nov 21, 2024
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
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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.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
Cpp-peglibCpp-peglib_project*0.1.12 (including)
RetroarchUbuntukinetic*
RetroarchUbuntulunar*
RetroarchUbuntumantic*
RetroarchUbuntuoracular*
RetroarchUbuntuplucky*
SalmonUbuntuesm-apps/jammy*
SalmonUbuntujammy*
SalmonUbuntukinetic*
SalmonUbuntulunar*
SalmonUbuntumantic*
SalmonUbuntuoracular*
SalmonUbuntuplucky*

Potential Mitigations

References