Home/CWE/Missing Release of Resource after Effective Lifetime
Weakness

Missing Release of Resource after Effective Lifetime

CWE-772 · Base · Draft

The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.

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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-404 · Improper Resource Shutdown or Release
Children (more specific)
ParentOfCWE-1091 · Use of Object without Invoking Destructor Method
ParentOfCWE-401 · Missing Release of Memory after Effective Lifetime
ParentOfCWE-775 · Missing Release of File Descriptor or Handle after Effective Lifetime
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Attack Patterns (CAPEC)

1
How adversaries exploit this weakness, per MITRE CAPEC.
CAPEC-469HTTP DoS
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CVEs With This Weakness

473
A sample of the 473 CVEs tagged with this weakness.
CVECVE-2026-43314
CVECVE-2026-43257
CVECVE-2026-43054
CVECVE-2026-42577
CVECVE-2026-39455
CVECVE-2026-35227
CVECVE-2026-3104
CVECVE-2026-2359
CVECVE-2026-23219
CVECVE-2026-2261
CVECVE-2026-21874
CVECVE-2026-20082
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