CWE-122

High likelihood

Heap-based Buffer Overflow

Parent: CWE-788 - Access of Memory Location After End of Buffer

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().

2,135 vulnerabilities with CWE-122
CVE-2025-0751 MEDIUM
Axiomatic Bento4 <1.6.0 - Buffer Overflow
CVSS 6.3
CVE-2025-0611 HIGH
Google Chrome <132.0.6834.110 - Heap Corruption
CVSS 8.2
CVE-2025-20128 MEDIUM
ClamAV - DoS
CVSS 5.3
CVE-2025-0434 HIGH
Google Chrome <132.0.6834.83 - Memory Corruption
CVSS 8.8
CVE-2025-21139 HIGH
Adobe Substance 3D Designer < 14.1 - Out-of-Bounds Write
CVSS 7.8
CVE-2025-21137 HIGH
Adobe Substance 3D Designer < 14.1 - Out-of-Bounds Write
CVSS 7.8
CVE-2025-21129 HIGH
Adobe Substance 3D Stager < 3.1.0 - Out-of-Bounds Write
CVSS 7.8
CVE-2025-21417 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 8.8
CVE-2025-21413 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 8.8
CVE-2025-21411 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 8.8
CVE-2025-21409 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 8.8
CVE-2025-21395 HIGH
Microsoft 365 Apps - Heap Buffer Overflow
CVSS 7.8
CVE-2025-21382 HIGH
Microsoft Windows 10 1809 < 10.0.17763.6775 - Integer Overflow
CVSS 7.8
CVE-2025-21378 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 7.8
CVE-2025-21356 HIGH
Microsoft 365 Apps - Type Confusion
CVSS 7.8
CVE-2025-21339 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 8.8
CVE-2025-21333 HIGH KEV
Microsoft Windows 10 21h2 < 10.0.19044.5371 - Heap Buffer Overflow
CVSS 7.8
CVE-2025-21306 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 8.8
CVE-2025-21305 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 8.8
CVE-2025-21303 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 8.8
CVE-2025-21302 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 8.8
CVE-2025-21286 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 8.8
CVE-2025-21282 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 8.8
CVE-2025-21273 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 8.8
CVE-2025-21266 HIGH
Microsoft Windows 10 1507 < 10.0.10240.20890 - Heap Buffer Overflow
CVSS 8.8
Details
Vulnerabilities 2,135
Exploit Likelihood High
Links
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