CWE-122— 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().— MITRE CWE catalog
3,758 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-122page 30 of 76
- CVE-2025-53720HIGHCVSS 8.0EG 8.02025-08-12
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
- CVE-2025-50164HIGHCVSS 8.0EG 8.02025-08-12
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
- CVE-2025-50162HIGHCVSS 8.0EG 8.02025-08-12
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
- CVE-2025-50160HIGHCVSS 8.0EG 8.02025-08-12
Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to execute code over a network.
- CVE-2025-49691HIGHCVSS 8.0EG 8.02025-07-08
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over an adjacent network.
- CVE-2023-28905HIGHCVSS 8.0EG 8.02025-06-28
A heap buffer overflow in the image processing binary of the MIB3 infotainment unit allows an attacker to execute arbitrary code on it. The vulnerability was originally discovered in Skoda Superb III car with MIB3 infotainment unit OEM par…
- CVE-2025-27487HIGHCVSS 8.0EG 8.02025-04-08
Heap-based buffer overflow in Remote Desktop Client allows an authorized attacker to execute code over a network.
- CVE-2024-46461HIGHCVSS 8.0EG 8.02024-09-25
VLC media player 3.0.20 and earlier is vulnerable to denial of service through an integer overflow which could be triggered with a maliciously crafted mms stream (heap based overflow). If successful, a malicious third party could trigger e…
- CVE-2024-37987HIGHCVSS 8.0EG 8.02024-07-09
Secure Boot Security Feature Bypass Vulnerability
- CVE-2024-37977HIGHCVSS 8.0EG 8.02024-07-09
Secure Boot Security Feature Bypass Vulnerability
- CVE-2024-30077HIGHCVSS 8.0EG 8.02024-06-11
Windows OLE Remote Code Execution Vulnerability
- CVE-2024-30075HIGHCVSS 8.0EG 8.02024-06-11
Windows Link Layer Topology Discovery Protocol Remote Code Execution Vulnerability
- CVE-2024-30074HIGHCVSS 8.0EG 8.02024-06-11
Windows Link Layer Topology Discovery Protocol Remote Code Execution Vulnerability
- CVE-2023-50230HIGHCVSS 8.0EG 8.02024-05-03
BlueZ Phone Book Access Profile Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of BlueZ. User interaction is required…
- CVE-2023-50229HIGHCVSS 8.0EG 8.02024-05-03
BlueZ Phone Book Access Profile Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of BlueZ. User interaction is required…
- CVE-2023-51795HIGHCVSS 8.0EG 8.02024-04-19
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
- CVE-2023-50009HIGHCVSS 8.0EG 8.02024-04-19
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.
- CVE-2023-49501HIGHCVSS 8.0EG 8.02024-04-19
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.
- CVE-2023-49528HIGHCVSS 8.0EG 8.02024-04-12
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.
- CVE-2023-36425HIGHCVSS 8.0EG 8.02023-11-14
Windows Distributed File System (DFS) Remote Code Execution Vulnerability
- CVE-2022-39852HIGHCVSS 8.0EG 8.02022-10-07
A heap-based overflow vulnerability in makeContactAGIF in libagifencoder.quram.so library prior to SMR Oct-2022 Release 1 allows attacker to perform code execution.
- CVE-2021-3968HIGHCVSS 8.0EG 8.02021-11-19
vim is vulnerable to Heap-based Buffer Overflow
- CVE-2021-44708HIGHCVSS 7.8EG 8.02022-01-14
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a heap overflow vulnerability due to insecure handling of a crafted file, potentially resulting in arbitrary co…
- CVE-2019-9502HIGHCVSS 7.9EG 7.92020-02-03
The Broadcom wl WiFi driver is vulnerable to a heap buffer overflow. If the vendor information element data length is larger than 164 bytes, a heap buffer overflow is triggered in wlc_wpa_plumb_gtk. In the worst case scenario, by sending s…
- CVE-2019-9501HIGHCVSS 7.9EG 7.92020-02-03
The Broadcom wl WiFi driver is vulnerable to a heap buffer overflow. By supplying a vendor information element with a data length larger than 32 bytes, a heap buffer overflow is triggered in wlc_wpa_sup_eapol. In the worst case scenario, b…
- CVE-2020-6007HIGHCVSS 7.9EG 7.92020-01-23
Philips Hue Bridge model 2.X prior to and including version 1935144020 contains a Heap-based Buffer Overflow when handling a long ZCL string during the commissioning phase, resulting in a remote code execution.
- CVE-2022-46290HIGHCVSS 9.8EG 7.82023-07-21
Multiple out-of-bounds write vulnerabilities exist in the ORCA format nAtoms functionality of Open Babel 3.1.1 and master commit 530dbfa3. A specially-crafted malformed file can lead to arbitrary code execution. An attacker can provide a m…
- CVE-2022-46289HIGHCVSS 9.8EG 7.82023-07-21
Multiple out-of-bounds write vulnerabilities exist in the ORCA format nAtoms functionality of Open Babel 3.1.1 and master commit 530dbfa3. A specially-crafted malformed file can lead to arbitrary code execution. An attacker can provide a m…
- CVE-2026-121941HIGHCVSS 7.8EG 7.82026-11-04
libmt32emu before 2.8.4 contains a heap buffer overflow vulnerability in MidiStreamParserImpl::parseSysex that allows attackers to write past a heap allocation by supplying oversized unterminated SysEx messages. Attackers can feed more tha…
- CVE-2026-59267HIGHCVSS 7.8EG 7.82026-11-04
A crafted DXF document causes a heap buffer overflow in Draw in Apache OpenOffice 4.1.16 and earlier. This could cause a crash or otherwise a corruption of memory areas. Users are recommended to upgrade to version 4.1.17, which fixes this …
- CVE-2026-120431HIGHCVSS 7.8EG 7.82026-11-02
Netpbm before 10.86.51, 11.x before 11.02.29, and 11.03 before 11.15.07 contains a heap-based buffer overflow in sgitopnm's readChannels() function when processing RLE-compressed SGI images. Attackers can supply crafted SGI files with over…
- CVE-2026-93523HIGHCVSS 7.8EG 7.82026-10-28
A heap buffer overflow caused by a XIPassiveUngrabDevice request with an out-of-range modifier value in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code…
- CVE-2026-93522HIGHCVSS 7.8EG 7.82026-10-28
A heap buffer overflow caused by mismatched size usage in CopyArea CPU-to-FBO path in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in the X server c…
- CVE-2026-93521HIGHCVSS 7.8EG 7.82026-10-28
A buffer overflow in RandR ChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14 could be used by authenticated X clients to crash or execute code within the X server context.
- CVE-2026-93520HIGHCVSS 7.8EG 7.82026-10-28
A heap buffer overflow caused by mismatching size calculations between XkbAllocNames and ChangeKeycodeRange in X.org X server before 2.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially exec…
- CVE-2026-93519HIGHCVSS 7.8EG 7.82026-10-28
A buffer overflow when handling pointer barriers in the XFIXES extension in X.Org X server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.
- CVE-2026-93518HIGHCVSS 7.8EG 7.82026-10-28
An integer truncation issue in XkbResizeKeyType() that could lead to a heap buffer overflow by authenticated X clients in X.org X server before 21.1.25 and XWayland before 24.1.14 could be exploited for crashes or potential code execution …
- CVE-2026-108307HIGHCVSS 7.8EG 7.82026-10-27
Tanium addressed a heap-based buffer overflow vulnerability in Index.
- CVE-2026-55246HIGHCVSS 7.8EG 7.82026-10-15
bincookie is a header-only binarycookies parser. Prior to 0.1.9, bincookie_init_file() in bincookie.h allocates a buffer using the actual .binarycookies file length but trusts the file-controlled num_pages field as the loop bound for byte-…
- CVE-2026-101927HIGHCVSS 7.8EG 7.82026-10-14
A Heap-based Buffer Overflow vulnerability in eventd of Juniper Networks Junos OS and Junos OS Evolved on all platforms allows an unprivileged local attacker to cause a denial of service (DoS) or achieve privilege escalation to root via cr…
- CVE-2026-95638HIGHCVSS 7.8EG 7.82026-10-13
Photoshop Desktop is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a…
- CVE-2026-104348HIGHCVSS 7.8EG 7.82026-10-13
Photoshop Desktop is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a…
- CVE-2026-108130HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
- CVE-2026-97804HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in HID class driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-97803HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-105003HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in HID class driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-103568HIGHCVSS 7.8EG 7.82026-10-13
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Credential Providers allows an authorized attacker to elevate privileges locally.
- CVE-2026-100215HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.
- CVE-2026-102215HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
- CVE-2026-102218HIGHCVSS 7.8EG 7.82026-10-13
Heap-based buffer overflow in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.
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