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 102 of 135| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-13976 | Med | 0.38 | 5.8 | 0.00 | Jun 30, 2026 | Insufficient data validation in Storage in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium) | ||
| CVE-2026-12725 | Med | 0.38 | 5.9 | 0.00 | Jun 22, 2026 | A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and query logging are both enabled, logging of DS or DNSKEY replies containing unsupported algorithm or digest types can cause dnsmasq to write past the end of an internal logging buffer. A remote attacker… | ||
| CVE-2026-48994 | Med | 0.38 | 5.9 | 0.00 | Jun 10, 2026 | ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-24, a missing check of a return value could lead to a heap buffer over-write in the MAT decoder on 32-bit systems. This issue has been patched in… | ||
| CVE-2026-8261 | Med | 0.38 | 5.9 | 0.00 | May 11, 2026 | A vulnerability was determined in Squirrel up to 3.2. This affects the function SQFunctionProto::Load of the file squirrel/sqobject.cpp. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and… | ||
| CVE-2026-28546 | Med | 0.38 | 5.9 | 0.00 | Mar 5, 2026 | Buffer overflow vulnerability in the scanning module. Impact: Successful exploitation of this vulnerability may affect availability. | ||
| CVE-2026-20053 | Med | 0.38 | 5.8 | 0.00 | Mar 4, 2026 | Multiple Cisco products are affected by a vulnerability in the Snort 3 VBA feature that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash. This vulnerability is due to improper range checking when decompressing VBA data, which is… | ||
| CVE-2024-43587 | Med | 0.38 | 5.9 | 0.01 | Oct 17, 2024 | Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability | ||
| CVE-2024-38796 | Med | 0.38 | 5.9 | 0.00 | Sep 27, 2024 | EDK2 contains a vulnerability in the PeCoffLoaderRelocateImage(). An Attacker may cause memory corruption due to an overflow via an adjacent network. A successful exploit of this vulnerability may lead to a loss of Confidentiality, Integrity, and/or Availability. | ||
| CVE-2024-20508 | Med | 0.38 | 5.8 | 0.00 | Sep 25, 2024 | A vulnerability in Cisco Unified Threat Defense (UTD) Snort Intrusion Prevention System (IPS) Engine for Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass configured security policies or cause a denial of service (DoS) condition on an affected… | ||
| CVE-2023-5568 | Med | 0.38 | 5.9 | 0.02 | Oct 25, 2023 | A heap-based Buffer Overflow flaw was discovered in Samba. It could allow a remote, authenticated attacker to exploit this vulnerability to cause a denial of service. | ||
| CVE-2023-36532 | Med | 0.38 | 5.9 | 0.02 | Aug 8, 2023 | Buffer overflow in Zoom Clients before 5.14.5 may allow an unauthenticated user to enable a denial of service via network access. | ||
| CVE-2021-42018 | Med | 0.38 | 5.9 | 0.01 | Mar 8, 2022 | A vulnerability has been identified in RUGGEDCOM i800, RUGGEDCOM i800NC, RUGGEDCOM i801, RUGGEDCOM i801NC, RUGGEDCOM i802, RUGGEDCOM i802NC, RUGGEDCOM i803, RUGGEDCOM i803NC, RUGGEDCOM M2100, RUGGEDCOM M2100F, RUGGEDCOM M2100NC, RUGGEDCOM M2200, RUGGEDCOM M2200F, RUGGEDCOM… | ||
| CVE-2026-35590 | Med | 0.37 | — | 0.00 | Jul 20, 2026 | libvips is a fast image processing library with low memory needs. The EXIF decoder within libvips versions before and including 8.18.1 was not verifying the range of EXIF tag groups before passing data to libexif, leading to a possible null pointer dereference and crash. This… | ||
| CVE-2026-48914 | Med | 0.37 | 6.7 | 0.00 | Jun 12, 2026 | A flaw was found in QEMU's virtio-blk device. The issue arises because the device does not properly validate the size of input descriptors before writing data. A malicious guest with high privileges could exploit this vulnerability by submitting a malformed virtio-blk SCSI… | ||
| CVE-2026-48065 | Med | 0.37 | 6.7 | 0.00 | May 27, 2026 | pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.1, src/conf.c allocates heap memory proportional to n_devices, a count derived from libxml2 XPath evaluation of the config file, without first enforcing an upper bound. On 32-bit… | ||
| CVE-2026-30937 | Med | 0.37 | 6.8 | 0.00 | Mar 10, 2026 | ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, a 32-bit unsigned integer overflow in the XWD (X Windows) encoder can cause an undersized heap buffer allocation. When writing a extremely… | ||
| CVE-2026-30931 | Med | 0.37 | 6.8 | 0.00 | Mar 10, 2026 | ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16, a heap-based buffer overflow in the UHDR encoder can happen due to truncation of a value and it would allow an out of bounds write. This vulnerability is… | ||
| CVE-2026-28686 | Med | 0.37 | 6.8 | 0.00 | Mar 10, 2026 | ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, A heap-buffer-overflow vulnerability exists in the PCL encode due to an undersized output buffer allocation. This vulnerability is fixed in… | ||
| CVE-2025-5942 | Med | 0.37 | — | 0.00 | Aug 14, 2025 | Netskope was notified about a potential gap in its agent (NS Client) on Windows systems. If this gap is successfully exploited, an unprivileged user can trigger a heap overflow in the epdlpdrv.sys driver, leading to a Blue-Screen-of-Death (BSOD). Successful exploitation can… | ||
| CVE-2020-14311 | Med | 0.37 | 5.7 | 0.00 | Jul 31, 2020 | There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow. |
- risk 0.38cvss 5.8epss 0.00
Insufficient data validation in Storage in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
- risk 0.38cvss 5.9epss 0.00
A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and query logging are both enabled, logging of DS or DNSKEY replies containing unsupported algorithm or digest types can cause dnsmasq to write past the end of an internal logging buffer. A remote attacker…
- risk 0.38cvss 5.9epss 0.00
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-48 and 7.1.2-24, a missing check of a return value could lead to a heap buffer over-write in the MAT decoder on 32-bit systems. This issue has been patched in…
- risk 0.38cvss 5.9epss 0.00
A vulnerability was determined in Squirrel up to 3.2. This affects the function SQFunctionProto::Load of the file squirrel/sqobject.cpp. This manipulation causes heap-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and…
- risk 0.38cvss 5.9epss 0.00
Buffer overflow vulnerability in the scanning module. Impact: Successful exploitation of this vulnerability may affect availability.
- risk 0.38cvss 5.8epss 0.00
Multiple Cisco products are affected by a vulnerability in the Snort 3 VBA feature that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to crash. This vulnerability is due to improper range checking when decompressing VBA data, which is…
- risk 0.38cvss 5.9epss 0.01
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
- risk 0.38cvss 5.9epss 0.00
EDK2 contains a vulnerability in the PeCoffLoaderRelocateImage(). An Attacker may cause memory corruption due to an overflow via an adjacent network. A successful exploit of this vulnerability may lead to a loss of Confidentiality, Integrity, and/or Availability.
- risk 0.38cvss 5.8epss 0.00
A vulnerability in Cisco Unified Threat Defense (UTD) Snort Intrusion Prevention System (IPS) Engine for Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass configured security policies or cause a denial of service (DoS) condition on an affected…
- risk 0.38cvss 5.9epss 0.02
A heap-based Buffer Overflow flaw was discovered in Samba. It could allow a remote, authenticated attacker to exploit this vulnerability to cause a denial of service.
- risk 0.38cvss 5.9epss 0.02
Buffer overflow in Zoom Clients before 5.14.5 may allow an unauthenticated user to enable a denial of service via network access.
- risk 0.38cvss 5.9epss 0.01
A vulnerability has been identified in RUGGEDCOM i800, RUGGEDCOM i800NC, RUGGEDCOM i801, RUGGEDCOM i801NC, RUGGEDCOM i802, RUGGEDCOM i802NC, RUGGEDCOM i803, RUGGEDCOM i803NC, RUGGEDCOM M2100, RUGGEDCOM M2100F, RUGGEDCOM M2100NC, RUGGEDCOM M2200, RUGGEDCOM M2200F, RUGGEDCOM…
- risk 0.37cvss —epss 0.00
libvips is a fast image processing library with low memory needs. The EXIF decoder within libvips versions before and including 8.18.1 was not verifying the range of EXIF tag groups before passing data to libexif, leading to a possible null pointer dereference and crash. This…
- risk 0.37cvss 6.7epss 0.00
A flaw was found in QEMU's virtio-blk device. The issue arises because the device does not properly validate the size of input descriptors before writing data. A malicious guest with high privileges could exploit this vulnerability by submitting a malformed virtio-blk SCSI…
- risk 0.37cvss 6.7epss 0.00
pam_usb provides hardware authentication for Linux using ordinary removable media. Prior to 0.9.1, src/conf.c allocates heap memory proportional to n_devices, a count derived from libxml2 XPath evaluation of the config file, without first enforcing an upper bound. On 32-bit…
- risk 0.37cvss 6.8epss 0.00
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, a 32-bit unsigned integer overflow in the XWD (X Windows) encoder can cause an undersized heap buffer allocation. When writing a extremely…
- risk 0.37cvss 6.8epss 0.00
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16, a heap-based buffer overflow in the UHDR encoder can happen due to truncation of a value and it would allow an out of bounds write. This vulnerability is…
- risk 0.37cvss 6.8epss 0.00
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16 and 6.9.13-41, A heap-buffer-overflow vulnerability exists in the PCL encode due to an undersized output buffer allocation. This vulnerability is fixed in…
- risk 0.37cvss —epss 0.00
Netskope was notified about a potential gap in its agent (NS Client) on Windows systems. If this gap is successfully exploited, an unprivileged user can trigger a heap overflow in the epdlpdrv.sys driver, leading to a Blue-Screen-of-Death (BSOD). Successful exploitation can…
- risk 0.37cvss 5.7epss 0.00
There is an issue with grub2 before version 2.06 while handling symlink on ext filesystems. A filesystem containing a symbolic link with an inode size of UINT32_MAX causes an arithmetic overflow leading to a zero-sized memory allocation with subsequent heap-based buffer overflow.