Weakness (CWE)
CWE-122: Heap-based Buffer Overflow
The product writes past the end of a buffer that was allocated on the heap.
How to prevent it (7 mitigations)
-
Pre-design: Use a language or compiler that performs automatic bounds checking.
-
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
-
Operation, Build and Compilation
Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
-
Operation, Build and Compilation
Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
-
Implementation
Implement and perform bounds checking on input.
-
Implementation
Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.
-
Operation
Use OS-level preventative functionality. This is not a complete solution, but it provides some defense in depth.
Source: MITRE CWE-122
2,892 results · Clear filters · Feed
-
High 7.8
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
-
High 7.0
Microsoft Graphics Component Elevation of Privilege Vulnerability
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
-
High 7.8
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
-
High 7.8
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
-
High 7.0
Windows Storage Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally.
-
High 7.0
Windows Storage Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally.
-
High 8.8
Windows Media Video Decoder Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Media Video Decoder allows an unauthorized attacker to execute code over a network.
-
High 7.0
Windows Storage Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Storage allows an authorized attacker to elevate privileges locally.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 7.0
Windows Update Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Update Service allows an authorized attacker to elevate privileges locally.
-
High 7.0
Windows Client License Service Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Client License Service allows an authorized attacker to elevate privileges locally.
-
High 7.5
Windows Media Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Excel Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
-
High 8.8
Windows Raw Image Extension Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Raw Image Extension allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Windows Media Foundation Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
-
High 7.8
Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
-
High 7.8
Windows NTFS Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows NTFS allows an authorized attacker to elevate privileges locally.
-
High 8.8
Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
-
High 8.8
Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
-
High 8.8
Windows PCI Bus Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attacker to elevate privileges locally.
-
High 7.8
WebDAV Elevation of Privilege Vulnerability
Heap-based buffer overflow in WebDAV allows an authorized attacker to elevate privileges locally.
-
High 7.5
Microsoft Office PowerPoint Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft MPEG-2 Video Extension Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft MPEG-2 Video Extension allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
-
High 8.1
Microsoft Office Word Remote Code Execution Vulnerability
Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
-
High 8.8
Microsoft Office SharePoint Remote Code Execution Vulnerability
Integer overflow or wraparound in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
-
High 7.8
Desktop Window Manager Elevation of Privilege Vulnerability
Heap-based buffer overflow in Desktop Window Manager allows an authorized attacker to elevate privileges locally.
-
High 7.8
Windows Network File System Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Network File System allows an authorized attacker to execute code locally.
-
High 7.8
Windows Spaceport.sys Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to execute code locally.
-
High 7.8CVE-2026-70054 Public exploit
Windows NetBIOS Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows NetBIOS allows an authorized attacker to elevate privileges locally.