Home/CWE/Missing Initialization of a Variable
Weakness

Missing Initialization of a Variable

CWE-456 · Variant · Draft

The product does not initialize critical variables, which causes the execution environment to use unexpected values.

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Weakness Relationships

Where this weakness sits in the CWE hierarchy. Walk up to broader classes or down to more specific variants.
Parent of this (broader)
ChildOfCWE-665 · Improper Initialization
ChildOfCWE-909 · Missing Initialization of Resource
Related
CanPrecedeCWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CanPrecedeCWE-457 · Use of Uninitialized Variable
CanPrecedeCWE-89 · Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CanPrecedeCWE-98 · Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')
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CVEs With This Weakness

8
CVEs tagged with this weakness.
CVECVE-2024-9780
CVECVE-2024-54131
CVECVE-2024-32878
CVECVE-2023-20226
CVECVE-2021-40403
CVECVE-2021-34703
CVECVE-2019-3836
CVECVE-2018-14641
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