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CWE-122

3,698 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 (3,698)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Stsaz
1Phiola
Jun 17, 2026
May 1, 2024
N/A· v4
7.1 HIGH· v3
N/A· v2
Buffer-Overflow vulnerability at pcm_convert.h:513 of phiola v2.0-rc22 allows a remote attacker to execute arbitrary code via a crafted .wav file.
1Stsaz
1Phiola
Jun 17, 2026
May 1, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
Buffer-Overflow vulnerability at conv.c:68 of stsaz phiola v2.0-rc22 allows a remote attacker to execute arbitrary code via the a crafted .wav file.
1Libmodbus
1Libmodbus
Jun 17, 2026
May 1, 2024
N/A· v4
9.8 CRITICAL· v3
N/A· v2
libmodbus v3.1.10 has a heap-based buffer overflow vulnerability in read_io_status function in src/modbus.c.
1Ibm
1Mq Appliance
Jun 17, 2026
Apr 27, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
IBM MQ Appliance 9.3 CD and LTS are vulnerable to a heap-based buffer overflow, caused by improper bounds checking. A remote authenticated attacker could overflow a buffer and execute arbitrary code on the system or caus...Show more
IBM MQ Appliance 9.3 CD and LTS are vulnerable to a heap-based buffer overflow, caused by improper bounds checking. A remote authenticated attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash. IBM X-Force ID: 283137.Show less
1Ffmpeg
1Ffmpeg
Jun 17, 2026
Apr 26, 2024
N/A· v4
7.8 HIGH· v3
N/A· v2
Buffer Overflow vulnerability in Ffmpeg v.N113007-g8d24a28d06 allows a local attacker to execute arbitrary code via the libavfilter/af_stereowiden.c:120:69.
1Qnap
2Qts
Quts Hero
Jun 17, 2026
Apr 26, 2024
N/A· v4
8.8 HIGH· v3
N/A· v2
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute code via a network...Show more
A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated users to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.6.2722 build 20240402 and later QuTS hero h5.1.6.2734 build 20240414 and later Show less
1Emqx
1Nanomq
Jun 17, 2026
Apr 22, 2024
N/A· v4
6.8 MEDIUM· v3
N/A· v2
A heap-buffer-overflow vulnerability in the read_byte function in NanoMQ v.0.21.7 allows attackers to cause a denial of service via transmission of crafted hexstreams.
2Fedoraproject
Ffmpeg
2Fedora
Ffmpeg
Jun 17, 2026
Apr 19, 2024
N/A· v4
8.0 HIGH· v3
N/A· v2
Buffer Overflow vulnerability in Ffmpeg v.N113007-g8d24a28d06 allows a local attacker to execute arbitrary code via the libavfilter/avf_showspectrum.c:1789:52 component in showspectrumpic_request_frame
2Fedoraproject
Ffmpeg
2Fedora
Ffmpeg
Jun 17, 2026
Apr 19, 2024
N/A· v4
8.0 HIGH· v3
N/A· v2
FFmpeg v.n6.1-3-g466799d4f5 allows a heap-based buffer overflow via the ff_gaussian_blur_8 function in libavfilter/edge_template.c:116:5 component.
2Fedoraproject
Ffmpeg
2Fedora
Ffmpeg
Jun 17, 2026
Apr 19, 2024
N/A· v4
8.0 HIGH· v3
N/A· v2
Buffer Overflow vulnerability in Ffmpeg v.n6.1-3-g466799d4f5 allows a local attacker to execute arbitrary code via the config_eq_output function in the libavfilter/asrc_afirsrc.c:495:30 component.
1Wazuh
1Wazuh
Jun 17, 2026
Apr 19, 2024
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Wazuh is a free and open source platform used for threat prevention, detection, and response. There is a buffer overflow hazard in wazuh-analysisd when handling Unicode characters from Windows Eventchannel messages. It i...Show more
Wazuh is a free and open source platform used for threat prevention, detection, and response. There is a buffer overflow hazard in wazuh-analysisd when handling Unicode characters from Windows Eventchannel messages. It impacts Wazuh Manager 3.8.0 and above. This vulnerability is fixed in Wazuh Manager 4.7.2.Show less
1Ivanti
1Avalanche
Jun 17, 2026
Apr 19, 2024
N/A· v4
9.8 CRITICAL· v3
N/A· v2
A Heap Overflow vulnerability in WLAvalancheService component of Ivanti Avalanche before 6.4.3 allows a remote unauthenticated attacker to execute arbitrary commands
1Ivanti
1Avalanche
Jun 17, 2026
Apr 19, 2024
N/A· v4
9.8 CRITICAL· v3
N/A· v2
A Heap overflow vulnerability in WLInfoRailService component of Ivanti Avalanche before 6.4.3 allows an unauthenticated remote attacker to execute arbitrary commands.
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-
Jun 17, 2026
Apr 17, 2024
N/A· v4
3.3 LOW· v3
N/A· v2
RoboDK v5.5.4 is vulnerable to heap-based buffer overflow while processing a specific project file. The resulting memory corruption may crash the application.
2Fedoraproject
Ffmpeg
2Fedora
Ffmpeg
Jun 17, 2026
Apr 17, 2024
N/A· v4
7.8 HIGH· v3
N/A· v2
FFmpeg version n6.1 was discovered to contain a heap buffer overflow vulnerability in the draw_block_rectangle function of libavfilter/vf_codecview.c. This vulnerability allows attackers to cause undefined behavior or a...Show more
FFmpeg version n6.1 was discovered to contain a heap buffer overflow vulnerability in the draw_block_rectangle function of libavfilter/vf_codecview.c. This vulnerability allows attackers to cause undefined behavior or a Denial of Service (DoS) via crafted input.Show less
1Linuxfoundation
1Pytorch
Jun 17, 2026
Apr 17, 2024
N/A· v4
4.0 MEDIUM· v3
N/A· v2
PyTorch before v2.2.0 was discovered to contain a heap buffer overflow vulnerability in the component /runtime/vararg_functions.cpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted in...Show more
PyTorch before v2.2.0 was discovered to contain a heap buffer overflow vulnerability in the component /runtime/vararg_functions.cpp. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.Show less
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-
Jun 17, 2026
Apr 17, 2024
N/A· v4
8.1 HIGH· v3
N/A· v2
Server receiving a malformed message can cause a pointer to be overwritten which can result in a remote code execution or failure. See Honeywell Security Notification for recommendations on upgrading and versioning.
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-
Jun 17, 2026
Apr 17, 2024
N/A· v4
8.1 HIGH· v3
N/A· v2
Server receiving a malformed message based on a using the specified key values can cause a heap overflow vulnerability which could lead to an attacker performing remote code execution or causing a failure.  See Honeywell...Show more
Server receiving a malformed message based on a using the specified key values can cause a heap overflow vulnerability which could lead to an attacker performing remote code execution or causing a failure.  See Honeywell Security Notification for recommendations on upgrading and versioning. Show less
2Fedoraproject
Ffmpeg
2Fedora
Ffmpeg
Jun 17, 2026
Apr 12, 2024
N/A· v4
8.0 HIGH· v3
N/A· v2
Buffer Overflow vulnerability in FFmpeg version n6.1-3-g466799d4f5, allows a local attacker to execute arbitrary code and cause a denial of service (DoS) via the af_dialoguenhance.c:261:5 in the de_stereo component.
2Fedoraproject
Google
2Chrome
Fedora
Jun 17, 2026
Apr 10, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Heap buffer overflow in ANGLE in Google Chrome prior to 123.0.6312.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)