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
2,574 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-122page 39 of 52
- CVE-2025-8302HIGHCVSS 8.8EG 8.82025-09-02
Realtek rtl81xx SDK Wi-Fi Driver rtwlanu Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Realtek rtl81xx SDK Wi-Fi driver. A…
- CVE-2025-8351CRITICALCVSS 7.8EG 9.02025-12-01
Heap-based Buffer Overflow, Out-of-bounds Read vulnerability in Avira Antivirus engine when scanning a malformed file may allow Local Execution of Code or Denial-of-Service of the antivirus engine process. This issue affects Avira Antivir…
- CVE-2025-8843HIGHCVSS 7.8EG 7.82025-08-11
A vulnerability was found in NASM Netwide Assember 2.17rc0. This affects the function macho_no_dead_strip of the file outmacho.c. The manipulation leads to heap-based buffer overflow. Local access is required to approach this attack. The e…
- CVE-2025-8879HIGHCVSS 8.8EG 8.82025-08-13
Heap buffer overflow in libaom in Google Chrome prior to 139.0.7258.127 allowed a remote attacker to potentially exploit heap corruption via a curated set of gestures. (Chromium security severity: High)
- CVE-2025-8894HIGHCVSS 7.8EG 7.82025-09-16
A maliciously crafted PDF file, when parsed through certain Autodesk products, can force a Heap-Based Overflow vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitrary cod…
- CVE-2025-9019MEDIUMCVSS 5.9EG 5.92025-08-15
A vulnerability has been found in tcpreplay 4.5.1. This vulnerability affects the function mask_cidr6 of the file cidr.c of the component tcpprep. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. …
- CVE-2025-9457HIGHCVSS 7.8EG 7.82025-12-16
A maliciously crafted PRT file, when parsed through certain Autodesk products, can force a Memory corruption vulnerability. A malicious actor can leverage this vulnerability to execute arbitrary code in the context of the current process.
- CVE-2025-9458HIGHCVSS 7.8EG 7.82025-11-07
A maliciously crafted PRT file, when parsed through certain Autodesk products, can force a Memory Corruption vulnerability. A malicious actor can leverage this vulnerability to execute arbitrary code in the context of the current process.
- CVE-2025-9951HIGHCVSS 7.2EG 7.22025-09-09
A heap-buffer-overflow write exists in jpeg2000dec FFmpeg which allows an attacker to potentially gain remote code execution or cause denial of service via the channel definition cdef atom of JPEG2000.
- CVE-2026-0006CRITICALCVSS 9.8EG 9.82026-03-02
In multiple locations, there is a possible out of bounds read and write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
- CVE-2026-0059HIGHCVSS 8.0EG 8.02026-06-01
In multiple functions of sdp_discovery.cc, there is a possible way to achieve code execution due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with no additional execution privileges needed. User i…
- CVE-2026-0100HIGHCVSS 7.8EG 7.82026-06-01
In Load of LoadedArsc.cpp, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitat…
- CVE-2026-0130LOWCVSS 3.5EG 3.52026-06-16
In RtcpChunk::decodeRtcpChunk, there is a possible out of bounds read due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitati…
- CVE-2026-0132HIGHCVSS 8.8EG 8.82026-06-16
In Modem, there is a possible out of bounds write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
- CVE-2026-0149HIGHCVSS 8.8EG 8.82026-06-16
In RtpSession::rtpSendRtcpPacket, there is a possible OOB write due to a heap buffer overflow. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
- CVE-2026-0264CRITICALCVSS 9.8EG 9.82026-05-13
A buffer overflow vulnerability in the DNS proxy and DNS Server features of Palo Alto Networks PAN-OS® Software allows an unauthenticated attacker with network access to cause a denial of service (DoS) condition (all PAN-OS platforms exce…
- CVE-2026-0793CRITICALCVSS 9.8EG 9.82026-01-23
ALGO 8180 IP Audio Alerter InformaCast Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of ALGO 8180 IP Audio Alerter devices. Au…
- CVE-2026-0797HIGHCVSS 8.8EG 8.82026-02-21
GIMP ICO File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GIMP. User interaction is required to exploit this vuln…
- CVE-2026-0821HIGHCVSS 9.8EG 7.32026-01-10
A vulnerability was determined in quickjs-ng quickjs up to 0.11.0. This vulnerability affects the function js_typed_array_constructor of the file quickjs.c. Executing a manipulation can lead to heap-based buffer overflow. The attack may be…
- CVE-2026-0822MEDIUMCVSS 8.8EG 6.32026-01-10
A vulnerability was identified in quickjs-ng quickjs up to 0.11.0. This issue affects the function js_typed_array_sort of the file quickjs.c. The manipulation leads to heap-based buffer overflow. Remote exploitation of the attack is possib…
- CVE-2026-10194MEDIUMCVSS 6.3EG 6.32026-05-31
A weakness has been identified in OFFIS DCMTK 3.7.0. This affects the function DcmQueryRetrieveIndexDatabaseHandle::deleteOldestImages of the file dcmqrdb/libsrc/dcmqrdbi.cc of the component dcmqrscp. Executing a manipulation can lead to h…
- CVE-2026-10200MEDIUMCVSS 5.3EG 5.32026-05-31
A vulnerability was found in Assimp up to 6.0.4. This affects the function glTFCommon::CopyValue in the library glTFCommon.h of the component 4x4 Matrix Parser. Performing a manipulation results in heap-based buffer overflow. The attack mu…
- CVE-2026-10229MEDIUMCVSS 5.3EG 5.32026-06-01
A vulnerability was determined in Assimp up to 6.0.4. This affects the function HL1MDLLoader::read_meshes of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. This manipulation causes heap-based buffer overflow. The attack…
- CVE-2026-10230MEDIUMCVSS 5.3EG 5.32026-06-01
A vulnerability was identified in Assimp up to 6.0.4. This impacts the function Assimp::MDL::HalfLife::HL1MDLLoader::read_animations of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Such manipulation leads to heap-base…
- CVE-2026-10231MEDIUMCVSS 5.3EG 5.32026-06-01
A security flaw has been discovered in Assimp up to 6.0.4. Affected is the function HL1MDLLoader::extract_anim_value of the file HL1MDLLoader.cpp of the component Half-Life 1 MDL Loader. Performing a manipulation of the argument num.total …
- CVE-2026-10929HIGHCVSS 8.3EG 8.32026-06-04
Heap buffer overflow in ANGLE in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severit…
- CVE-2026-10946HIGHCVSS 7.5EG 7.52026-06-04
Heap buffer overflow in Media in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security s…
- CVE-2026-10949HIGHCVSS 8.3EG 8.32026-06-04
Heap buffer overflow in Video in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-10989HIGHCVSS 8.8EG 8.82026-06-04
Inappropriate implementation in V8 in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security …
- CVE-2026-10993MEDIUMCVSS 6.5EG 6.52026-06-04
Heap buffer overflow in Skia in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-10995HIGHCVSS 8.8EG 8.82026-06-04
Heap buffer overflow in TabStrip in Google Chrome prior to 149.0.7827.53 allowed a remote attacker who convinced a user to engage in specific UI gestures to potentially exploit heap corruption via a crafted HTML page. (Chromium security se…
- CVE-2026-11124HIGHCVSS 8.8EG 8.82026-06-04
Integer overflow in Skia in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)
- CVE-2026-11143MEDIUMCVSS 6.5EG 6.52026-06-04
Out of bounds read in Extensions in Google Chrome on Linux prior to 149.0.7827.53 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information from process memory via a crafted Chrom…
- CVE-2026-1145MEDIUMCVSS 8.8EG 6.32026-01-19
A flaw has been found in quickjs-ng quickjs up to 0.11.0. Affected by this vulnerability is the function js_typed_array_constructor_ta of the file quickjs.c. This manipulation causes heap-based buffer overflow. The attack is possible to be…
- CVE-2026-11604MEDIUMCVSS 5.6EG 5.62026-06-10
An incorrect buffer size calculation in the epoch key generator in OpenVPN ovpn-dco-win version 2.0.0 through 2.8.3 allows a remote authenticated peer to trigger a heap-based buffer overflow and kernel memory corruption via a crafted data …
- CVE-2026-11610HIGHCVSS 8.8EG 8.82026-07-07
A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). After a successful SASL bind with integrity protection (SSF > 0), an authenticated attacker can send a specially crafted oversized LDAP UNBI…
- CVE-2026-11792LOWCVSS 3.3EG 3.32026-06-09
A heap buffer overflow flaw was found in 389 Directory Server. When audit logging is enabled, the create_masked_entry_string() function in auditlog.c copies a fixed-length password mask into a precisely-sized heap buffer without checking a…
- CVE-2026-11822HIGHCVSS 7.8EG 7.82026-06-09
SQLite before 3.53.2 contains memory corruption vulnerabilities in the FTS5 full-text search extension that allow attackers to cause process crashes, memory exhaustion, or arbitrary code execution by supplying a crafted database with malfo…
- CVE-2026-11824HIGHCVSS 7.8EG 7.82026-06-09
SQLite before 3.53.2 contains a heap-based buffer overflow vulnerability in the FTS5 full-text search extension that allows attackers to cause a crash or execute arbitrary code by supplying a crafted database with malicious continuation pa…
- CVE-2026-11826HIGHCVSS 8.8EG 8.82026-07-18
OpenPLC_v3 contains a heap-based buffer overflow in the getData() function in webserver/core/modbus_master.cpp. getData() reads characters between two delimiters into a caller-supplied buffer with no size parameter and no bounds check. In …
- CVE-2026-11884MEDIUMCVSS 6.5EG 6.52026-06-10
A heap buffer overflow flaw was found in 389 Directory Server. When serializing objectclass definitions, the oc_superior (SUP) field length is omitted from buffer size calculations in read_schema_dse() and schema_oc_to_string(), but the fi…
- CVE-2026-12010HIGHCVSS 8.3EG 8.32026-06-11
Heap buffer overflow in GPU in Google Chrome on Android prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity…
- CVE-2026-12030HIGHCVSS 8.3EG 8.32026-06-11
Out of bounds write in GPU in Google Chrome on Android prior to 149.0.7827.115 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity:…
- CVE-2026-12193HIGHCVSS 7.8EG 7.82026-06-14
A vulnerability was identified in VS Revo RevoUninstaller 2.5.x/2.6.x. The affected element is the function IOCtl_Handler in the library RevoDetector.sys of the component IOCTL Handler. Such manipulation leads to heap-based buffer overflow…
- CVE-2026-12244HIGHCVSS 8.8EG 8.82026-06-25
If NSD is configured as secondary for a zone, the primary of that zone can crash NSD with an AXFR containing a DNS message with a special crafted SVCB RR with an rdata size of 65512, that let's an (uint16_t) variable that is used to alloca…
- CVE-2026-12447HIGHCVSS 8.8EG 8.82026-06-17
Heap buffer overflow in WebRTC in Google Chrome prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-12466HIGHCVSS 8.8EG 8.82026-06-17
Heap buffer overflow in WebRTC in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker to execute arbitrary code via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-12725MEDIUMCVSS 5.9EG 5.92026-06-22
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 in…
- CVE-2026-12805MEDIUMCVSS 6.3EG 6.32026-06-21
A flaw has been found in OFFIS DCMTK up to 3.7.0. The affected element is the function XMLNode::parseFile in the library ofstd/libsrc/ofxml.cc. Executing a manipulation can lead to heap-based buffer overflow. The attack may be performed fr…
- CVE-2026-1283HIGHCVSS 7.8EG 7.82026-01-26
A Heap-based Buffer Overflow vulnerability affecting the EPRT file reading procedure in SOLIDWORKS eDrawings from Release SOLIDWORKS Desktop 2025 through Release SOLIDWORKS Desktop 2026 could allow an attacker to execute arbitrary code whi…
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