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
4,110 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-122page 2 of 83
- CVE-2026-78846CRITICALCVSS 9.8EG 9.82026-10-22
Multiple AiDot devices are vulnerable to a heap-based buffer overflow via SSDP location header parsing.
- CVE-2026-111183CRITICALCVSS 9.8EG 9.82026-10-21
GStreamer rtpL16depay Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to…
- CVE-2026-112403CRITICALCVSS 9.8EG 9.82026-10-19
Pillow is a Python imaging library. Prior to 13.0.0, Pillow's JPEG decoder can write a full-width scanline into a buffer sized for a requested draft scale. ImagingJpegDecode does not verify libjpeg's actual output width and component count…
- CVE-2026-112398CRITICALCVSS 9.8EG 9.82026-10-19
Pillow is a Python imaging library. Prior to 13.0.0, Pillow's FlashPix JPEG-tile decoder can write decoded scanlines beyond the allocated tile buffer. FlashPix (FPX) JPEG decoding selects raw mode LA with two bytes per pixel, while an unre…
- CVE-2026-112393CRITICALCVSS 9.8EG 9.82026-10-19
Pillow is a Python imaging library. From 2.0.0 until 13.0.0, Pillow has a heap buffer overflow and stale-heap disclosure in _tiffWriteProc when saving compressed TIFF data through libtiff to a target without a usable fileno(), such as Byte…
- CVE-2026-102175CRITICALCVSS 9.8EG 9.82026-10-14
A Heap-based Buffer Overflow vulnerability in the sdxd service-deployment daemon of Juniper Networks Junos OS and Junos OS Evolved allows a remote unauthenticated attacker who can control or intercept the configured SDX/SRC server connecti…
- CVE-2026-101950CRITICALCVSS 9.8EG 9.82026-10-14
A Heap-based Buffer Overflow vulnerability in the SVR component of Juniper Networks Junos OS on SRX Series allows an unauthenticated network attacker to cause a denial of service and potentially compromise confidentiality and integrity via…
- CVE-2026-105016CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network.
- CVE-2026-97815CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.
- CVE-2026-97814CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.
- CVE-2026-96113CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in DNS Server allows an unauthorized attacker to execute code over a network.
- CVE-2026-102210CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.
- CVE-2026-100222CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a network.
- CVE-2026-96909CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows BitLocker allows an unauthorized attacker to execute code over a network.
- CVE-2026-96320CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.
- CVE-2026-70242CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
- CVE-2026-70153CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an unauthorized attacker to execute code over a network.
- CVE-2026-83935CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Microsoft XML allows an unauthorized attacker to execute code over a network.
- CVE-2026-83789CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows SMB Client allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-83770CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.
- CVE-2026-83523CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Image Acquisition allows an unauthorized attacker to execute code over a network.
- CVE-2026-83519CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.
- CVE-2026-83517CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
- CVE-2026-70157CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows System Information Console allows an unauthorized attacker to execute code over a network.
- CVE-2026-96096CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Media Player allows an unauthorized attacker to execute code over a network.
- CVE-2026-97016CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
- CVE-2026-70291CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.
- CVE-2026-70147CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an unauthorized attacker to execute code over a network.
- CVE-2026-85928CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Volume Manager Extension Driver allows an unauthorized attacker to execute code over a network.
- CVE-2026-70262CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in WebDAV allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-85814CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code over a network.
- CVE-2026-85809CRITICALCVSS 9.8EG 9.82026-10-13
Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine
- CVE-2026-84015CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Remote Access Point-to-Point Protocol (PPP) EAP-TLS allows an unauthorized attacker to execute code over a network.
- CVE-2026-69886CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Imaging Component allows an unauthorized attacker to execute code over a network.
- CVE-2026-83782CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Shell allows an unauthorized attacker to execute code over a network.
- CVE-2026-83748CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.
- CVE-2026-83693CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Error Reporting allows an unauthorized attacker to execute code over a network.
- CVE-2026-83578CRITICALCVSS 9.8EG 9.82026-10-13
Integer underflow (wrap or wraparound) in Windows PowerShell allows an unauthorized attacker to execute code over a network.
- CVE-2026-69634CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows iSCSI allows an unauthorized attacker to execute code over a network.
- CVE-2026-70096CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Rich Text Edit Control allows an unauthorized attacker to execute code over a network.
- CVE-2026-69639CRITICALCVSS 9.8EG 9.82026-10-13
Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code over a network.
- CVE-2026-103501CRITICALCVSS 9.8EG 9.82026-10-10
Heap buffer overflow in the HLL sketch deserialization of Apache DataSketches C++ (repo: datasketches-cpp). When deserializing a sketch in LIST mode, from either a byte buffer or a stream, the coupon count was read from the input and used…
- CVE-2026-14269CRITICALCVSS 9.8EG 9.82026-10-08
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 is vulnerable to a heap-based buffer overflow, caused by improper bounds checking. An unauthenticated remote…
- CVE-2026-14888CRITICALCVSS 9.8EG 9.82026-10-08
IBM DataPower Gateway 10.5.0.0 through 10.5.0.22, 10.6.1 through 10.6.6, 10.6.0.0 through 10.6.0.10, and 11.0.0.0 through 11.0.0.2 could allow a remote attacker to execute arbitrary code due to a heap-based buffer overflow.
- CVE-2026-76471CRITICALCVSS 9.8EG 9.82026-10-07
A vulnerability in the NX-API feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to execute arbitrary code with root privileges or cause a denial of service (DoS) condition on an affected device. The v…
- CVE-2016-15059CRITICALCVSS 9.8EG 9.82026-09-22
Net::IDN::Punycode versions before 2.301 for Perl allow a heap buffer overflow via unchecked writes past the output buffer in encode_punycode. The XS backend builds the encoded label in the string buffer of the scalar it returns, sized fr…
- CVE-2026-58264CRITICALCVSS 9.8EG 9.82026-09-18
FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From 1.1.2 until 2.5.6, the FluidSynth command handler accepts a pitch_bend_range command whose channel argument is not bounds checked before the supplied value …
- CVE-2026-54627CRITICALCVSS 9.8EG 9.82026-09-17
SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. In 0.9.10 and earlier, psd_private_sail_pixel_format() in src/sail-codecs/psd/helpers.c resolves a one-channel PSD in Bi…
- CVE-2026-54626CRITICALCVSS 9.8EG 9.82026-09-17
SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. In 0.9.10 and earlier, the TGA_INDEXED_RLE path selected by image_type == 9 allocates an image buffer using the one-byte…
- CVE-2026-91106CRITICALCVSS 9.8EG 9.82026-09-16
HP has identified and remediated multiple externally reported vulnerabilities within HPLIP. The findings affect several software components that could potentially enable remote code execution, privilege escalation, denial of service, infor…
Map vulnerabilities like CWE-122 to your infrastructure
EchelonGraph correlates every CVE — across CWE-122 and 150+ other weakness categories — against the assets you actually run. See blast radius, fix versions, and remediation steps in one graph.
Book a Demo →