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ID

CWE Grouping: SFP Primary Cluster: Failure to Release Memory

Grouping ID: 1238
Vulnerability Mapping: PROHIBITED This CWE ID must not be used to map to real-world vulnerabilities
+ Summary
This category identifies Software Fault Patterns (SFPs) within the Failure to Release Memory cluster (SFP38).
+ Membership
Nature Type ID Name
MemberOf ViewView - a subset of CWE entries that provides a way of examining CWE content. The two main view structures are Slices (flat lists) and Graphs (containing relationships between entries). 888 Software Fault Pattern (SFP) Clusters
HasMember VariantVariant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource. 401 Missing Release of Memory after Effective Lifetime
+ Vulnerability Mapping Notes
Usage PROHIBITED
(this CWE ID must not be used to map to real-world vulnerabilities)
Reason Grouping

Rationale

This entry is a Grouping. Using groupings for mapping has been discouraged since 2019. They are informal organizational groupings of weaknesses that can help CWE users with data aggregation, navigation, and browsing. However, they are not weaknesses in themselves.

Comments

See member weaknesses of this category.
+ Content History
+ Submissions
Submission Date Submitter Organization
2019-11-25
(CWE 4.0, 2020-02-24)
KDM Analytics
+ Modifications
Modification Date Modifier Organization
2026-10-28
(CWE 5.0, 2026-10-28)
CWE Content Team MITRE
updated Mapping_Notes, Type
2023-06-29
(CWE 4.12, 2023-06-29)
CWE Content Team MITRE
updated Mapping_Notes
2023-04-27
(CWE 4.11, 2023-04-27)
CWE Content Team MITRE
updated Mapping_Notes
2020-08-20
(CWE 4.2, 2020-08-20)
CWE Content Team MITRE
updated Relationships
Page Last Updated: Oct 28, 2026