CWE-122
Heap-based Buffer Overflow
Description
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().
Hierarchy (View 1000)
Related attack patterns (CAPEC)
CAPEC-92
CVEs mapped to this weakness (2,687)
page 87 of 135| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-32177 | Hig | 0.47 | 7.3 | 0.01 | May 12, 2026 | Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally. | ||
| CVE-2026-32149 | Hig | 0.47 | 7.3 | 0.00 | Apr 14, 2026 | Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally. | ||
| CVE-2026-29022 | Hig | 0.47 | 7.3 | 0.00 | Mar 3, 2026 | dr_libs dr_wav.h version 0.14.4 and earlier (fixed in commit 8a7258c) contain a heap buffer overflow vulnerability in the drwav__read_smpl_to_metadata_obj() function of dr_wav.h that allows memory corruption via crafted WAV files. Attackers can exploit a mismatch between… | ||
| CVE-2025-14905 | Hig | 0.47 | 7.2 | 0.01 | Feb 23, 2026 | A flaw was found in the 389-ds-base server. A heap buffer overflow vulnerability exists in the `schema_attr_enum_callback` function within the `schema.c` file. This occurs because the code incorrectly calculates the buffer size by summing alias string lengths without accounting… | ||
| CVE-2026-21247 | Hig | 0.47 | 7.3 | 0.01 | Feb 10, 2026 | Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally. | ||
| CVE-2026-24925 | Hig | 0.47 | 7.3 | 0.00 | Feb 6, 2026 | Heap-based buffer overflow vulnerability in the image module. Impact: Successful exploitation of this vulnerability may affect availability. | ||
| CVE-2025-15247 | — | Hig | 0.47 | 7.3 | 0.00 | Dec 30, 2025 | A vulnerability was identified in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424. Affected by this issue is the function snap7_rs::client::S7Client::download of the file client.rs. Such manipulation leads to heap-based buffer overflow. The attack can be executed… | |
| CVE-2025-14673 | — | Hig | 0.47 | 7.3 | 0.00 | Dec 14, 2025 | A vulnerability has been found in gmg137 snap7-rs up to 1.142.1. Affected is the function snap7_rs::client::S7Client::as_ct_write of the file /tests/snap7-rs/src/client.rs. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The exploit… | |
| CVE-2025-14672 | — | Hig | 0.47 | 7.3 | 0.00 | Dec 14, 2025 | A flaw has been found in gmg137 snap7-rs up to 1.142.1. This impacts the function TSnap7MicroClient::opWriteArea of the file s7_micro_client.cpp. Executing a manipulation can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been… | |
| CVE-2025-59504 | Hig | 0.47 | 7.3 | 0.00 | Nov 11, 2025 | Heap-based buffer overflow in Azure Monitor Agent allows an unauthorized attacker to execute code locally. | ||
| CVE-2024-50571 | Hig | 0.47 | 7.2 | 0.01 | Oct 14, 2025 | A heap-based buffer overflow vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.2, FortiAnalyzer 7.4.0 through 7.4.5, FortiAnalyzer 7.2.0 through 7.2.9, FortiAnalyzer 7.0.0 through 7.0.13, FortiAnalyzer 6.4 all versions, FortiAnalyzer 6.2 all versions, FortiAnalyzer 6.0… | ||
| CVE-2025-9951 | Hig | 0.47 | — | 0.00 | Sep 9, 2025 | A heap-buffer-overflow write exists in jpeg2000dec FFmpeg which allows an attacker to potentially gain remote code execution or cause denial of service via the channel definition cdef atom of JPEG2000. | ||
| CVE-2025-36907 | Hig | 0.47 | 7.3 | 0.00 | Sep 4, 2025 | In draw_surface_image() of abl/android/lib/draw/draw.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege via USB fastboot, after a bootloader unlock, with no additional execution privileges needed. User… | ||
| CVE-2025-50161 | Hig | 0.47 | 7.3 | 0.01 | Aug 12, 2025 | Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally. | ||
| CVE-2025-49666 | Hig | 0.47 | 7.2 | 0.01 | Jul 8, 2025 | Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network. | ||
| CVE-2025-48797 | Hig | 0.47 | 7.3 | 0.00 | May 27, 2025 | A flaw was found in GIMP when processing certain TGA image files. If a user opens one of these image files that has been specially crafted by an attacker, GIMP can be tricked into making serious memory errors, potentially leading to crashes and causing a heap buffer overflow. | ||
| CVE-2025-46333 | Hig | 0.47 | — | 0.00 | Apr 25, 2025 | z2d is a pure Zig 2D graphics library. Versions of z2d after `0.5.1` and up to and including `0.6.0`, when writing from one surface to another using `z2d.compositor.StrideCompositor.run`, and higher-level operations when the anti-aliasing mode is set to `.default` (such as… | ||
| CVE-2025-31344 | Hig | 0.47 | 7.3 | 0.00 | Apr 14, 2025 | Heap-based Buffer Overflow vulnerability in openEuler giflib on Linux. This vulnerability is associated with program files gif2rgb.C. This issue affects giflib: through 5.2.2. | ||
| CVE-2025-29069 | Hig | 0.47 | 7.3 | 0.00 | Apr 1, 2025 | A heap buffer overflow vulnerability has been identified in the lcms2-2.16. The vulnerability exists in the UnrollChunkyBytes function in cmspack.c, which is responsible for handling color space transformations. NOTE: this is disputed by the Supplier because the finding… | ||
| CVE-2024-49089 | Hig | 0.47 | 7.2 | 0.02 | Dec 12, 2024 | Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability |
- risk 0.47cvss 7.3epss 0.01
Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.
- risk 0.47cvss 7.3epss 0.00
Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.
- risk 0.47cvss 7.3epss 0.00
dr_libs dr_wav.h version 0.14.4 and earlier (fixed in commit 8a7258c) contain a heap buffer overflow vulnerability in the drwav__read_smpl_to_metadata_obj() function of dr_wav.h that allows memory corruption via crafted WAV files. Attackers can exploit a mismatch between…
- risk 0.47cvss 7.2epss 0.01
A flaw was found in the 389-ds-base server. A heap buffer overflow vulnerability exists in the `schema_attr_enum_callback` function within the `schema.c` file. This occurs because the code incorrectly calculates the buffer size by summing alias string lengths without accounting…
- risk 0.47cvss 7.3epss 0.01
Improper input validation in Windows Hyper-V allows an authorized attacker to execute code locally.
- risk 0.47cvss 7.3epss 0.00
Heap-based buffer overflow vulnerability in the image module. Impact: Successful exploitation of this vulnerability may affect availability.
- risk 0.47cvss 7.3epss 0.00
A vulnerability was identified in gmg137 snap7-rs up to 153d3e8c16decd7271e2a5b2e3da4d6f68589424. Affected by this issue is the function snap7_rs::client::S7Client::download of the file client.rs. Such manipulation leads to heap-based buffer overflow. The attack can be executed…
- risk 0.47cvss 7.3epss 0.00
A vulnerability has been found in gmg137 snap7-rs up to 1.142.1. Affected is the function snap7_rs::client::S7Client::as_ct_write of the file /tests/snap7-rs/src/client.rs. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The exploit…
- risk 0.47cvss 7.3epss 0.00
A flaw has been found in gmg137 snap7-rs up to 1.142.1. This impacts the function TSnap7MicroClient::opWriteArea of the file s7_micro_client.cpp. Executing a manipulation can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been…
- risk 0.47cvss 7.3epss 0.00
Heap-based buffer overflow in Azure Monitor Agent allows an unauthorized attacker to execute code locally.
- risk 0.47cvss 7.2epss 0.01
A heap-based buffer overflow vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.2, FortiAnalyzer 7.4.0 through 7.4.5, FortiAnalyzer 7.2.0 through 7.2.9, FortiAnalyzer 7.0.0 through 7.0.13, FortiAnalyzer 6.4 all versions, FortiAnalyzer 6.2 all versions, FortiAnalyzer 6.0…
- risk 0.47cvss —epss 0.00
A heap-buffer-overflow write exists in jpeg2000dec FFmpeg which allows an attacker to potentially gain remote code execution or cause denial of service via the channel definition cdef atom of JPEG2000.
- risk 0.47cvss 7.3epss 0.00
In draw_surface_image() of abl/android/lib/draw/draw.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege via USB fastboot, after a bootloader unlock, with no additional execution privileges needed. User…
- risk 0.47cvss 7.3epss 0.01
Heap-based buffer overflow in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
- risk 0.47cvss 7.2epss 0.01
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to execute code over a network.
- risk 0.47cvss 7.3epss 0.00
A flaw was found in GIMP when processing certain TGA image files. If a user opens one of these image files that has been specially crafted by an attacker, GIMP can be tricked into making serious memory errors, potentially leading to crashes and causing a heap buffer overflow.
- risk 0.47cvss —epss 0.00
z2d is a pure Zig 2D graphics library. Versions of z2d after `0.5.1` and up to and including `0.6.0`, when writing from one surface to another using `z2d.compositor.StrideCompositor.run`, and higher-level operations when the anti-aliasing mode is set to `.default` (such as…
- risk 0.47cvss 7.3epss 0.00
Heap-based Buffer Overflow vulnerability in openEuler giflib on Linux. This vulnerability is associated with program files gif2rgb.C. This issue affects giflib: through 5.2.2.
- risk 0.47cvss 7.3epss 0.00
A heap buffer overflow vulnerability has been identified in the lcms2-2.16. The vulnerability exists in the UnrollChunkyBytes function in cmspack.c, which is responsible for handling color space transformations. NOTE: this is disputed by the Supplier because the finding…
- risk 0.47cvss 7.2epss 0.02
Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability