CWE-122

High likelihood

Heap-based Buffer Overflow

Parent: CWE-788 - Access of Memory Location After End of Buffer

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().

2,312 vulnerabilities with CWE-122
CVE-2026-7353 HIGH
Google Chrome < 147.0.7727.138 - Heap-based Buffer Overflow in Skia
CVSS 8.3
CVE-2026-7339 HIGH
Google Chrome < 147.0.7727.138 - Heap-based Buffer Overflow in WebRTC
CVSS 8.8
CVE-2026-20766 HIGH
Milesight Cameras Heap-based Buffer Overflow
CVSS 8.8
CVE-2026-7040 HIGH
Text::Minify::XS versions from v0.3.0 before v0.7.8 for Perl have heap overflow when processing some malformed UTF-8 characters
CVSS 7.5
CVE-2026-33602 MEDIUM
Off-by-one access when processing crafted UDP responses
CVSS 6.5
CVE-2026-6846 HIGH
Binutils: binutils: arbitrary code execution via malformed xcoff object file processing
CVSS 7.8
CVE-2026-40706 HIGH
NTFS-3G 2022.10.3-2026.2.25 - Heap-based Buffer Overflow in ntfs_build_permissions_posix()
CVSS 8.4
CVE-2026-40614 HIGH
PJSIP: Heap buffer overflow in Opus codec decoding
CVSS 8.8
CVE-2026-5450 CRITICAL
glibc 2.7-2.43 - Heap-based Buffer Overflow via scanf %mc with Explicit Width
CVSS 9.8
CVE-2026-32135 HIGH
NanoMQ has Heap Buffer Overflow in URI Parameter Parsing
CVSS 7.5
CVE-2026-41445 HIGH
KissFFT Integer Overflow Heap Buffer Overflow via kiss_fftndr_alloc()
CVSS 8.8
CVE-2026-32961 MEDIUM
silex technology SD-330AC and AMC Manager - Heap-based Buffer Overflow in Packet Data Processing
CVSS 5.3
CVE-2026-32956 CRITICAL
SD-330AC and AMC Manager - Heap-based Buffer Overflow in Redirect URL Processing
CVSS 9.8
CVE-2026-35512 HIGH
xrdp: Heap buffer overflow in EGFX channel
CVSS 8.8
CVE-2026-32624 MEDIUM
xrdp: Heap buffer overflow in xrdp_sec_process_logon_info() via incorrect g_strncat length calculation
CVSS 6.5
CVE-2026-32623 HIGH
xrdp: Heap buffer overflow in NeutrinoRDP channel reassembly
CVSS 8.1
CVE-2026-6491 MEDIUM
libvips nip2 vips7compat.c im_minpos_vec heap-based overflow
CVSS 5.3
CVE-2026-40504 CRITICAL
Creolabs Gravity < 0.9.6 Heap Buffer Overflow via gravity_vm_exec
CVSS 9.8
CVE-2026-6361 HIGH
Google Chrome < 147.0.7727.101 - Heap-based Buffer Overflow in PDFium via Crafted PDF File
CVSS 8.3
CVE-2026-6306 HIGH
Google Chrome < 147.0.7727.101 - Remote Code Execution via PDFium Heap Buffer Overflow
CVSS 8.8
CVE-2026-6305 HIGH
Google Chrome < 147.0.7727.101 - Remote Code Execution via PDFium Heap Buffer Overflow
CVSS 8.8
CVE-2026-6298 MEDIUM
Google Chrome < 147.0.7727.101 - Heap-based Buffer Overflow in Skia
CVSS 4.3
CVE-2026-6296 CRITICAL
Google Chrome < 147.0.7727.101 - Heap-based Buffer Overflow in ANGLE via Crafted HTML Page
CVSS 9.6
CVE-2026-27301 MEDIUM
Adobe Framemaker | Heap-based Buffer Overflow (CWE-122)
CVSS 5.5
CVE-2026-27293 HIGH
Adobe Framemaker | Heap-based Buffer Overflow (CWE-122)
CVSS 7.8
Details
Vulnerabilities 2,312
Exploit Likelihood High