CWE · MITRE source
CWE-122Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
Last updated: 22 August 2026 20:22 UTC
Cumulative inbound coverage
How completely the frameworks we cross-walk collectively cover this — the verdict is the strongest single mapping (overlapping partials are not summed); breadth shows the corroboration behind it.
Collective: partial · 1 mapping(s) from 1 framework(s): CAPEC 1 (partial)
Control responseHuman-reviewed
Answering this weakness across the control lifecycle, from our framework cross-walks.
Prevent
Stop it (NIST 800-53 / CSF Protect)
ID.RA-01PR.PS-02PR.PS-06SA-11Developer Testing and Evaluation
Detect
Catch it (CSF Detect / Respond)
—
Harden
Shrink the surface (DISA STIG)
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Validate
Prove the fix (OWASP ASVS)
V1.4.1
NIST 800-53 r5 controls that address this weakness (0)AI-assisted
| Control | Title | Family | Why it addresses this CWE |
|---|---|---|---|
| No NIST controls proposed yet. | |||
Top CVEs of this weakness type, ranked by Risk Priority
| CVE | Risk | CVSS | EPSS | Published |
|---|---|---|---|---|
CVE-2015-3113 KEV UPD | 9.9 | 9.8 | 0.9994 | 2015-06-23 |
CVE-2019-3568 KEV UPD | 9.9 | 9.8 | 0.3917 | 2019-05-14 |
CVE-2023-27997 KEV UPD | 9.9 | 9.8 | 0.8569 | 2023-06-13 |
CVE-2024-38077 UPD | 9.9 | 9.8 | 0.7537 | 2024-07-09 |
CVE-2024-38812 KEV UPD | 9.9 | 9.8 | 0.5457 | 2024-09-17 |
CVE-2021-26691 UPD | 9.8 | 9.8 | 0.6829 | 2021-06-10 |
CVE-2022-35711 UPD | 9.8 | 9.8 | 0.7349 | 2022-10-14 |
CVE-2024-12084 UPD | 9.8 | 9.8 | 0.7206 | 2025-01-15 |
CVE-2024-10525 UPD | 9.5 | 9.8 | 0.5855 | 2024-10-30 |
CVE-2020-16010 KEV UPD | 9.4 | 9.6 | 0.0641 | 2020-11-03 |
CVE-2009-3459 KEV UPD | 9.2 | 8.8 | 0.8658 | 2009-10-13 |
CVE-2021-21017 KEV UPD | 9.2 | 8.8 | 0.8633 | 2021-02-11 |
CVE-2020-6146 UPD | 9.1 | 8.8 | 0.7705 | 2020-09-16 |
CVE-2021-28560 UPD | 9.0 | 8.8 | 0.6692 | 2021-09-02 |
CVE-2022-35712 UPD | 9.0 | 9.8 | 0.3675 | 2022-10-14 |
CVE-2024-24996 UPD | 8.9 | 9.8 | 0.3224 | 2024-04-19 |
CVE-2025-47981 UPD | 8.9 | 9.8 | 0.3223 | 2025-07-08 |
CVE-2023-21690 UPD | 8.8 | 9.8 | 0.2753 | 2023-02-14 |
CVE-2024-4323 UPD | 8.8 | 9.8 | 0.2831 | 2024-05-20 |
CVE-2020-25681 UPD | 8.7 | 8.1 | 0.8119 | 2021-01-20 |
CVE-2023-21689 UPD | 8.7 | 9.8 | 0.2650 | 2023-02-14 |
CVE-2020-25682 UPD | 8.6 | 8.1 | 0.7075 | 2021-01-20 |
CVE-2023-21692 UPD | 8.6 | 9.8 | 0.2124 | 2023-02-14 |
CVE-2026-47291 UPD | 8.6 | 9.8 | 0.2275 | 2026-06-09 |
CVE-2019-5482 UPD | 8.5 | 9.8 | 0.1794 | 2019-09-16 |