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
3,752 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-122page 9 of 76
- CVE-2026-87654CRITICALCVSS 9.6EG 9.62026-09-09
Buffer overflow in ANGLE in Google Chrome on on Windows prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-87527CRITICALCVSS 9.6EG 9.62026-09-09
Buffer overflow in WebGL in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
- CVE-2026-78948CRITICALCVSS 9.6EG 9.62026-08-25
Buffer overflow in WebGL in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-79130CRITICALCVSS 9.6EG 9.62026-08-25
Buffer overflow in ANGLE in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-76036CRITICALCVSS 9.6EG 9.62026-08-18
Buffer overflow in Dawn in Google Chrome on on Android prior to 151.0.7922.169 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
- CVE-2026-17758CRITICALCVSS 9.6EG 9.62026-07-30
Heap buffer overflow in Dawn in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-17680CRITICALCVSS 9.6EG 9.62026-07-30
Heap buffer overflow in Color in Google Chrome on ChromeOS prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severi…
- CVE-2026-50380CRITICALCVSS 9.6EG 9.62026-07-14
Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code over a network.
- CVE-2026-13798CRITICALCVSS 9.6EG 9.62026-06-30
Heap buffer overflow in Chromecast 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: Hig…
- CVE-2026-42904CRITICALCVSS 9.6EG 9.62026-06-09
Heap-based buffer overflow in Windows TCP/IP allows an unauthorized attacker to elevate privileges over an adjacent network.
- CVE-2026-6296CRITICALCVSS 9.6EG 9.62026-04-15
Heap buffer overflow in ANGLE in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)
- CVE-2024-28231CRITICALCVSS 9.6EG 9.62024-03-20
eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.14.0, 2.13.4, 2.12.3, 2.10.4, and 2.6.8, manipulated DATA Submessage can cause a heap overflow error in…
- CVE-2023-4264CRITICALCVSS 9.6EG 9.62023-09-27
Potential buffer overflow vulnerabilities n the Zephyr Bluetooth subsystem.
- CVE-2022-4920CRITICALCVSS 9.6EG 9.62023-07-29
Heap buffer overflow in Blink in Google Chrome prior to 101.0.4951.41 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially perform a sandbox escape via a crafted HTML page. (Chromium security seve…
- CVE-2021-3966CRITICALCVSS 9.6EG 9.62023-01-11
usb device bluetooth class includes a buffer overflow related to implementation of net_buf_add_mem.
- CVE-2021-3625CRITICALCVSS 9.6EG 9.62021-10-05
Buffer overflow in Zephyr USB DFU DNLOAD. Zephyr versions >= v2.5.0 contain Heap-based Buffer Overflow (CWE-122). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-c3gr-hgvr-f363
- CVE-2026-77532CRITICALCVSS 8.8EG 9.62026-08-26
A malicious actor with access to an adjacent network could exploit a Buffer Overflow vulnerability found in a DHCPv6-enabled EdgeMAX EdgeSwitch to initiate a Remote Code Execution on such device.
- CVE-2024-6246CRITICALCVSS 8.8EG 9.62024-11-22
Wyze Cam v3 Realtek Wi-Fi Driver Heap-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Wyze Cam v3 IP cameras. Authentica…
- CVE-2026-76937CRITICALCVSS 9.4EG 9.42026-10-27
Heap-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3. This issue affects JP1/Automatic Job Management System 3 - Manager: from 10-00 before 13-50-31.
- CVE-2026-76933CRITICALCVSS 9.4EG 9.42026-10-27
Heap-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3. This issue affects JP1/Automatic Job Management System 3 - Manager: from 11-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent: from 11-00 b…
- CVE-2026-86576CRITICALCVSS 9.4EG 9.42026-10-27
Heap-based Buffer Overflow Vulnerability in JP1 Products. This issue affects JP1/Integrated Management 3 - Manager: from 13-00 before 13-50-31; JP1/Automatic Job Management System 3 - Manager: from 13-00 before 13-50-31; JP1/Automatic Job…
- CVE-2025-24797CRITICALCVSS 9.4EG 9.42025-04-15
Meshtastic is an open source mesh networking solution. A fault in the handling of mesh packets containing invalid protobuf data can result in an attacker-controlled buffer overflow, allowing an attacker to hijack execution flow, potentiall…
- CVE-2025-30216CRITICALCVSS 9.4EG 9.42025-03-25
CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. In versi…
- CVE-2026-118333CRITICALCVSS 9.3EG 9.32026-10-27
Buffer overflow in Video in Google Chrome prior to 156.0.8078.73 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-19313CRITICALCVSS 9.3EG 9.32026-08-27
An heap overflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.
- CVE-2026-63939CRITICALCVSS 9.3EG 9.32026-07-19
In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Compute the correct max length of the in-GHCB scratch area When setting the length of the GHCB scratch area, and the area is in the GHCB shared buffer, set the…
- CVE-2025-34164CRITICALCVSS 9.3EG 9.32025-08-30
A heap-based buffer overflow vulnerability in NetSupport Manager 14.x versions prior to 14.12.0000 allows a remote, unauthenticated attacker to cause a denial of service (DoS) or execute arbitrary code.
- CVE-2025-54574CRITICALCVSS 9.3EG 9.32025-08-01
Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version…
- CVE-2014-0781HIGHCVSS v2 9.3EG 9.32014-03-14
Heap-based buffer overflow in BKCLogSvr.exe in Yokogawa CENTUM CS 3000 R3.09.50 and earlier allows remote attackers to execute arbitrary code via crafted UDP packets.
- CVE-2026-112709CRITICALCVSS 9.2EG 9.22026-10-27
A heap-based buffer overflow vulnerability in the Fireware OS authentication service allows an attacker who controls or intercepts traffic to the configured Active Directory server to create a denial of service condition and potentially ex…
- CVE-2026-112710CRITICALCVSS 9.2EG 9.22026-10-27
A heap-based buffer overflow vulnerability exists in the Fireware OS authentication service allows an attacker who controls or intercepts traffic to the configured Active Directory server to create a denial of service condition and potenti…
- CVE-2026-83632CRITICALCVSS 9.2EG 9.22026-10-02
Allocation of resources without limits or throttling, Integer overflow or wraparound, Heap-based buffer overflow vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to ver…
- CVE-2026-91135CRITICALCVSS 9.2EG 9.22026-10-02
Heap-based buffer overflow vulnerability in Apache Thrift C++ THeaderTransport. When an application enables the ZLIB transform for the frames it sends, THeaderTransport::transform() copies the compressed frame into the write buffer with…
- CVE-2026-101283CRITICALCVSS 9.2EG 9.22026-09-30
iperf3 3.20–3.21 (esnet/iperf) has a pre-auth heap buffer overflow in decrypt_rsa_message(): a 256-byte RSA buffer is BIO_read with the attacker-controlled ciphertext length (guard warns only), so an unauthenticated client overflows the …
- CVE-2026-10136CRITICALCVSS 9.1EG 9.12026-10-20
A heap-based buffer overflow vulnerability exists in the boa formUpload() functionality of X2000R (version(s): TOTOLINK-X2000R-Gh-V1.0.0-B20250421.1327). A specially crafted HTTP request can lead to arbitrary code execution. An attacker ca…
- CVE-2026-101307CRITICALCVSS 9.1EG 9.12026-10-15
When the PCM sample array needs to grow, the RACK stack doubles a 16-bit allocation counter. Repeated doublings caused the counter to wrap to zero, resulting in a near-zero-length allocation followed by a copy of the existing samples into…
- CVE-2026-19874CRITICALCVSS 9.1EG 9.12026-08-24
A heap-based buffer overflow vulnerability exists in Konami's Metal Gear Online 3, originating from improper validation of lobby data fields related to kicked players. The affected function processes a list of kicked player identifiers usi…
- CVE-2026-73242CRITICALCVSS 9.1EG 9.12026-08-11
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.30.0, FreeRDP's winpr/libwinpr/sspi/Kerberos/kerberos.c kerberos_DecryptMessage function fails to bound the peer-controlled GSS Wrap-token EC field before using it…
- CVE-2026-15422CRITICALCVSS 9.1EG 9.12026-07-16
The illumos SCTP inbound path performs association lookup for INIT ACK chunks without adequately validating the address parameters carried in the chunk. Since this lookup runs during packet classification (i.e. before SCTP integrity checks…
- CVE-2026-56372CRITICALCVSS 9.1EG 9.12026-07-11
ImageMagick before 7.1.2-19 contains a heap buffer overflow vulnerability in the magnify operation that allows attackers to read out of bounds memory. An unrecognized magnify:method value triggers an out of bounds read, potentially exposin…
- CVE-2026-49840CRITICALCVSS 9.1EG 9.12026-06-09
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. Prior to version 1.11.1, esl_recv_event() parses Content…
- CVE-2026-34865CRITICALCVSS 9.1EG 9.12026-04-13
Out-of-bounds write vulnerability in the WEB module.Impact: Successful exploitation of this vulnerability will affect availability and confidentiality.
- CVE-2026-4177CRITICALCVSS 9.1EG 9.12026-03-17
YAML::Syck versions through 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YAML emitter. The heap overflow occurs when class names exceed the initial 512-byte allocation.…
- CVE-2026-26284CRITICALCVSS 9.1EG 9.12026-02-24
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-15 and 6.9.13-40, ImageMagick lacks proper boundary checking when processing Huffman-coded data from PCD (Photo CD) file…
- CVE-2026-24679CRITICALCVSS 9.1EG 9.12026-02-09
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.22.0, The URBDRC client uses server-supplied interface numbers as array indices without bounds checks, causing an out-of-bounds read in libusb_udev_select_interfac…
- CVE-2025-62608CRITICALCVSS 9.1EG 9.12025-11-21
MLX is an array framework for machine learning on Apple silicon. Prior to version 0.29.4, there is a heap buffer overflow in mlx::core::load() when parsing malicious NumPy .npy files. Attacker-controlled file causes 13-byte out-of-bounds r…
- CVE-2025-58050CRITICALCVSS 9.1EG 9.12025-08-27
The PCRE2 library is a set of C functions that implement regular expression pattern matching. In version 10.45, a heap-buffer-overflow read vulnerability exists in the PCRE2 regular expression matching engine, specifically within the handl…
- CVE-2025-23317CRITICALCVSS 9.1EG 9.12025-08-06
NVIDIA Triton Inference Server contains a vulnerability in the HTTP server, where an attacker could start a reverse shell by sending a specially crafted HTTP request. A successful exploit of this vulnerability might lead to remote code exe…
- CVE-2024-38160CRITICALCVSS 9.1EG 9.12024-08-13
Windows Network Virtualization Remote Code Execution Vulnerability
- CVE-2023-5841CRITICALCVSS 9.1EG 9.12024-02-01
Due to a failure in validating the number of scanline samples of a OpenEXR file containing deep scanline data, Academy Software Foundation OpenEX image parsing library version 3.2.1 and prior is susceptible to a heap-based buffer overflow…
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