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CWE-122

2,312 CVEs • Abstraction: Variant • Likelihood of Exploit: High

Heap-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().

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CVEs (2,312)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Microsoft
5365 Apps
ExcelOffice+2 more
May 19, 2025
May 13, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
5365 Apps
ExcelOffice+2 more
May 19, 2025
May 13, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
1Microsoft
15Windows 10 1507
Windows 10 1607Windows 10 1809+12 more
May 19, 2025
May 13, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.
1Microsoft
17Remote Desktop
Windows 10 1507Windows 10 1607+14 more
May 19, 2025
May 13, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code over a network.
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
May 19, 2025
May 13, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
1Microsoft
10Windows 10 1809
Windows 10 21h2Windows 10 22h2+7 more
May 19, 2025
May 13, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
1Microsoft
15Windows 10 1507
Windows 10 1607Windows 10 1809+12 more
May 19, 2025
May 13, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
1Microsoft
15Windows 10 1507
Windows 10 1607Windows 10 1809+12 more
May 19, 2025
May 13, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
1Gnu
1Pspp
Jun 12, 2025
May 10, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
libpspp-core.a in GNU PSPP through 2.0.1 allows attackers to cause a heap-based buffer overflow in inflate_read (called indirectly from zip_member_read_all) in zip-reader.c.
1Gnu
1Pspp
Jun 12, 2025
May 10, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
libpspp-core.a in GNU PSPP through 2.0.1 allows attackers to cause a heap-based buffer overflow in inflate_read (called indirectly from spv_read_xml_member) in zip-reader.c.
-
-
May 28, 2025
May 9, 2025
8.7 HIGH· v4
7.5 HIGH· v3
N/A· v2
The LCD KVM over IP Switch CL5708IM has a Heap-based Buffer Overflow vulnerability in firmware versions prior to v2.2.215, allowing unauthenticated remote attackers to exploit this vulnerability to perform a denial-of-se...Show more
The LCD KVM over IP Switch CL5708IM has a Heap-based Buffer Overflow vulnerability in firmware versions prior to v2.2.215, allowing unauthenticated remote attackers to exploit this vulnerability to perform a denial-of-service attack.Show less
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-
May 28, 2025
May 9, 2025
8.7 HIGH· v4
7.5 HIGH· v3
N/A· v2
The LCD KVM over IP Switch CL5708IM has a Heap-based Buffer Overflow vulnerability in firmware versions prior to v2.2.215, allowing unauthenticated remote attackers to exploit this vulnerability to perform a denial-of-se...Show more
The LCD KVM over IP Switch CL5708IM has a Heap-based Buffer Overflow vulnerability in firmware versions prior to v2.2.215, allowing unauthenticated remote attackers to exploit this vulnerability to perform a denial-of-service attack.Show less
1Rti
1Connext Professional
Jul 31, 2025
May 8, 2025
6.9 MEDIUM· v4
7.1 HIGH· v3
N/A· v2
Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags.This issue affects Connext Professional: from 7.4.0 before 7.5.0, from 7.0.0 before 7.3.0.7, from 6...Show more
Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags.This issue affects Connext Professional: from 7.4.0 before 7.5.0, from 7.0.0 before 7.3.0.7, from 6.1.0 before 6.1.2.23, from 6.0.0 before 6.0.1.42, from 5.3.0 before 5.3.*, from 4.4d before 5.2.*.Show less
1Gnuplot
1Gnuplot
Jan 8, 2026
May 7, 2025
N/A· v4
5.5 MEDIUM· v3
N/A· v2
gnuplot is affected by a heap buffer overflow at function utf8_copy_one.
1Rt Labs
1P Net
May 13, 2025
May 7, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
An Heap-based Buffer Overflow in RT-Labs P-Net version 1.0.1 or earlier allows an attacker to corrupt the memory of IO devices that use the library by sending a malicious RPC packet.
1Rt Labs
1P Net
May 13, 2025
May 7, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
An Heap-based Buffer Overflow in RT-Labs P-Net version 1.0.1 or earlier allows an attacker to induce a crash in IO devices that use the library by sending a malicious RPC packet.
1Rt Labs
1P Net
May 13, 2025
May 7, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
An Heap-based Buffer Overflow in RT-Labs P-Net version 1.0.1 or earlier allows an attacker to induce a crash in IO devices that use the library by sending a malicious RPC packet.
1Rt Labs
1P Net
May 13, 2025
May 7, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
An Heap-based Buffer Overflow in RT-Labs P-Net version 1.0.1 or earlier allows an attacker to induce a crash in IO devices that use the library by sending a malicious RPC packet.
1Dlink
1Dap 1520 Firmware
May 13, 2025
May 6, 2025
8.7 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A vulnerability was found in Tenda DAP-1520 1.10B04_BETA02. It has been classified as critical. This affects the function set_ws_action of the file /dws/api/. The manipulation leads to heap-based buffer overflow. It is p...Show more
A vulnerability was found in Tenda DAP-1520 1.10B04_BETA02. It has been classified as critical. This affects the function set_ws_action of the file /dws/api/. The manipulation leads to heap-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.Show less
1Google
1Chrome
May 28, 2025
May 5, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
Heap buffer overflow in HTML in Google Chrome prior to 136.0.7103.59 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)