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
3,207 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 65
- CVE-2025-8178HIGHCVSS 8.8EG 8.82025-07-26
A vulnerability classified as critical has been found in Tenda AC10 16.03.10.13. Affected is an unknown function of the file /goform/RequestsProcessLaid. The manipulation of the argument device1D leads to heap-based buffer overflow. It is …
- CVE-2025-8299HIGHCVSS 8.8EG 8.82025-09-02
Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Realtek rtl…
- CVE-2025-8300HIGHCVSS 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-2025-8301HIGHCVSS 7.8EG 7.82025-09-02
Realtek RTL8811AU rtwlanu.sys N6CSet_DOT11_CIPHER_DEFAULT_KEY Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Realtek RTL881…
- 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-2026-0130MEDIUMCVSS 4.3EG 4.32026-06-16
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-2026-0200HIGHCVSS 8.8EG 8.82026-09-15
In Cellular Modem, there is a possible out-of-bounds write due to a heap buffer overflow. This could lead to remote escalation of privilege 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-2026-0821CRITICALCVSS 9.8EG 9.82026-01-10
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-2026-0822HIGHCVSS 8.8EG 8.82026-01-10
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-2026-10575HIGHCVSS 8.8EG 8.82026-09-18
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to a heap buffer overflow when processing MQPUT operations with malformed distribution headers.
- CVE-2026-10744HIGHCVSS 7.5EG 7.52026-09-18
IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to an integer overflow in MQINQ request validation.
- CVE-2026-10747CRITICALCVSS 10.0EG 10.02026-09-18
IBM MQ Appliance could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer overflow in protocol message processing before authentication.
- CVE-2026-10849HIGHCVSS 7.5EG 7.52026-08-03
The hawkBit device management client in subsys/mgmt/hawkbit accumulates the body of an HTTP response from the update server into a heap buffer in response_json_cb() (subsys/mgmt/hawkbit/hawkbit.c). The buffer is sized to hold the received …
- CVE-2026-10858CRITICALCVSS 9.9EG 9.92026-09-18
IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a heap buffer underflow when processing multi-segment messages.
- 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-2026-11375HIGHCVSS 8.8EG 8.82026-09-18
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to a stack buffer overflow when processing XA transaction identifiers.
- CVE-2026-11381HIGHCVSS 8.8EG 8.82026-09-18
IBM MQ could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of message distribution list structures.
- CVE-2026-1145HIGHCVSS 8.8EG 8.82026-01-19
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 6.5EG 6.52026-06-10
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-2026-11716HIGHCVSS 7.5EG 7.52026-09-18
IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of service or potentially execute arbitrary code during queue manager startup due to improper validation of cluster migration data.
- CVE-2026-11727HIGHCVSS 8.1EG 8.12026-09-18
IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 IBM MQ C client could allow a remote attacker to cause a denial of service or potentially execute arbitrary code due to improper validation of queue manager responses when requesting AMS policy…
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