CWE-122
Heap-based Buffer Overflow
Description
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().
Hierarchy (View 1000)
Related attack patterns (CAPEC)
CAPEC-92
CVEs mapped to this weakness (2,687)
page 126 of 135| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-20462 | Med | 0.00 | 6.7 | 0.00 | Jul 1, 2026 | In Telephony, there is a possible memory corruption due to a heap buffer overflow. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11006447; Issue ID:… | ||
| CVE-2026-51219 | Hig | 0.00 | 7.5 | 0.00 | Jun 29, 2026 | A heap buffer overflow in the HighPriorityASDUQueue_hasUnconfirmedIMessages function of lib60870 v2.3.3 to v2.3.6 allows attackers to cause a Denial of Service (DoS) via a crafted payload. | ||
| CVE-2026-51218 | Hig | 0.00 | 7.5 | 0.00 | Jun 29, 2026 | A heap buffer overflow in the TS7Worker::PerformFunctionWrite() function (/core/s7_server.cpp) of snap7 v1.4.3 allows attackers to cause a Denial of Service (DoS) via a crafted packet. | ||
| CVE-2026-13590 | Med | 0.00 | 5.6 | 0.00 | Jun 29, 2026 | A security flaw has been discovered in seladb PcapPlusPlus 25.05. This impacts the function pcpp::ModbusLayer::getLength in the library Packet++/header/ModbusLayer.h of the component Modbus Protocol Handler. The manipulation of the argument length results in heap-based buffer… | ||
| CVE-2026-13589 | Med | 0.00 | 5.6 | 0.00 | Jun 29, 2026 | A vulnerability was identified in seladb PcapPlusPlus 25.05. This affects the function pcpp::TelnetLayer::getSubCommand of the file Packet++/src/TelnetLayer.cpp of the component Telnet Subnegotiation Packet Handler. The manipulation leads to heap-based buffer overflow. The… | ||
| CVE-2026-13588 | Med | 0.00 | 5.6 | 0.00 | Jun 29, 2026 | A vulnerability was determined in seladb PcapPlusPlus 25.05. The impacted element is the function pcpp::SSLClientHelloMessage::getHandshakeVersion of the file Packet++/src/SSLHandshake.cpp of the component TLS Hello Handler. Executing a manipulation of the argument… | ||
| CVE-2026-13587 | Low | 0.00 | 3.7 | 0.00 | Jun 29, 2026 | A vulnerability was found in seladb PcapPlusPlus 25.05. The affected element is the function parse_by_block_type of the file light_pcapng.c of the component LightPcapNg Parser. Performing a manipulation of the argument captured_packet_length results in heap-based buffer… | ||
| CVE-2026-30040 | Med | 0.00 | 6.5 | 0.00 | Jun 26, 2026 | A heap overflow in the FSViewer.exe process of FastStone Image Viewer v8.3 allows attackers to cause a execute arbitrary code in the context of the current process via supplying a crafted JPEG 2000 (JP2) file. | ||
| CVE-2026-56123 | Hig | 0.00 | 8.1 | 0.00 | Jun 25, 2026 | socat versions 1.8.0.0 through 1.8.1.1 contain a heap-based buffer overflow vulnerability that allows a malicious SOCKS5 proxy server to overwrite adjacent heap memory by exploiting a sign-extension flaw in the DOMAINNAME reply parser. During connection setup, the domain name… | ||
| CVE-2026-46752 | Cri | 0.00 | — | 0.00 | Jun 25, 2026 | Redis Lua HEAP overflow in cjson library vulnerability in Apache Kvrocks. This issue affects Apache Kvrocks: from 2.0.4 through 2.15.0. Users are recommended to upgrade to version 2.16.0, which fixes the issue. | ||
| CVE-2026-31796 | Hig | 0.00 | 7.8 | 0.00 | Mar 10, 2026 | iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a heap-based buffer overflow in icCurvesFromXml() causing heap memory corruption or crash. This vulnerability is fixed in 2.3.1.5. | ||
| CVE-2026-30985 | Hig | 0.00 | 7.8 | 0.00 | Mar 10, 2026 | iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a heap-based buffer overflow write in CIccMatrixMath::SetRange() causing memory corruption or crash. This vulnerability is fixed in 2.3.1.5. | ||
| CVE-2026-30982 | Med | 0.00 | 6.1 | 0.00 | Mar 10, 2026 | iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a heap out-of-bounds read in CIccPcsXform::pushXYZConvert() causing crash and potentially leaking memory contents. This vulnerability is fixed in 2.3.1.5. | ||
| CVE-2026-30979 | Hig | 0.00 | 7.8 | 0.00 | Mar 10, 2026 | iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a heap-based buffer overflow in CIccCalculatorFunc::InitSelectOp() triggered with local user interaction causing memory corruption/crash. This vulnerability is… | ||
| CVE-2026-28421 | Med | 0.00 | 5.3 | 0.00 | Feb 27, 2026 | Vim is an open source, command line text editor. Versions prior to 9.2.0077 have a heap-buffer-overflow and a segmentation fault (SEGV) exist in Vim's swap file recovery logic. Both are caused by unvalidated fields read from crafted pointer blocks within a swap file. Version… | ||
| CVE-2026-28420 | Med | 0.00 | 4.4 | 0.00 | Feb 27, 2026 | Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the… | ||
| CVE-2026-28418 | Med | 0.00 | 4.4 | 0.00 | Feb 27, 2026 | Vim is an open source, command line text editor. Prior to version 9.2.0074, a heap-based buffer overflow out-of-bounds read exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file, Vim can be tricked into reading up to 7 bytes beyond the… | ||
| CVE-2025-69247 | Hig | 0.00 | 7.5 | 0.01 | Feb 23, 2026 | free5GC go-upf is the User Plane Function (UPF) implementation for 5G networks that is part of the free5GC project. Versions prior to 1.2.8 have a Heap-based Buffer Overflow (CWE-122) vulnerability leading to Denial of Service. Remote attackers can crash the UPF network element… | ||
| CVE-2026-26967 | Med | 0.00 | 5.3 | 0.00 | Feb 20, 2026 | PJSIP is a free and open source multimedia communication library written in C. In versions 2.16 and below, there is a critical Heap-based Buffer Overflow vulnerability in PJSIP's H.264 unpacketizer. The bug occurs when processing malformed SRTP packets, where the unpacketizer… | ||
| CVE-2026-26011 | Cri | 0.00 | 9.8 | 0.01 | Feb 12, 2026 | navigation2 is a ROS 2 Navigation Framework and System. In 1.3.11 and earlier, a critical heap out-of-bounds write vulnerability exists in Nav2 AMCL's particle filter clustering logic. By publishing a single crafted geometry_msgs/PoseWithCovarianceStamped message with extreme… |
- risk 0.00cvss 6.7epss 0.00
In Telephony, there is a possible memory corruption due to a heap buffer overflow. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11006447; Issue ID:…
- risk 0.00cvss 7.5epss 0.00
A heap buffer overflow in the HighPriorityASDUQueue_hasUnconfirmedIMessages function of lib60870 v2.3.3 to v2.3.6 allows attackers to cause a Denial of Service (DoS) via a crafted payload.
- risk 0.00cvss 7.5epss 0.00
A heap buffer overflow in the TS7Worker::PerformFunctionWrite() function (/core/s7_server.cpp) of snap7 v1.4.3 allows attackers to cause a Denial of Service (DoS) via a crafted packet.
- risk 0.00cvss 5.6epss 0.00
A security flaw has been discovered in seladb PcapPlusPlus 25.05. This impacts the function pcpp::ModbusLayer::getLength in the library Packet++/header/ModbusLayer.h of the component Modbus Protocol Handler. The manipulation of the argument length results in heap-based buffer…
- risk 0.00cvss 5.6epss 0.00
A vulnerability was identified in seladb PcapPlusPlus 25.05. This affects the function pcpp::TelnetLayer::getSubCommand of the file Packet++/src/TelnetLayer.cpp of the component Telnet Subnegotiation Packet Handler. The manipulation leads to heap-based buffer overflow. The…
- risk 0.00cvss 5.6epss 0.00
A vulnerability was determined in seladb PcapPlusPlus 25.05. The impacted element is the function pcpp::SSLClientHelloMessage::getHandshakeVersion of the file Packet++/src/SSLHandshake.cpp of the component TLS Hello Handler. Executing a manipulation of the argument…
- risk 0.00cvss 3.7epss 0.00
A vulnerability was found in seladb PcapPlusPlus 25.05. The affected element is the function parse_by_block_type of the file light_pcapng.c of the component LightPcapNg Parser. Performing a manipulation of the argument captured_packet_length results in heap-based buffer…
- risk 0.00cvss 6.5epss 0.00
A heap overflow in the FSViewer.exe process of FastStone Image Viewer v8.3 allows attackers to cause a execute arbitrary code in the context of the current process via supplying a crafted JPEG 2000 (JP2) file.
- risk 0.00cvss 8.1epss 0.00
socat versions 1.8.0.0 through 1.8.1.1 contain a heap-based buffer overflow vulnerability that allows a malicious SOCKS5 proxy server to overwrite adjacent heap memory by exploiting a sign-extension flaw in the DOMAINNAME reply parser. During connection setup, the domain name…
- risk 0.00cvss —epss 0.00
Redis Lua HEAP overflow in cjson library vulnerability in Apache Kvrocks. This issue affects Apache Kvrocks: from 2.0.4 through 2.15.0. Users are recommended to upgrade to version 2.16.0, which fixes the issue.
- risk 0.00cvss 7.8epss 0.00
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a heap-based buffer overflow in icCurvesFromXml() causing heap memory corruption or crash. This vulnerability is fixed in 2.3.1.5.
- risk 0.00cvss 7.8epss 0.00
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a heap-based buffer overflow write in CIccMatrixMath::SetRange() causing memory corruption or crash. This vulnerability is fixed in 2.3.1.5.
- risk 0.00cvss 6.1epss 0.00
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a heap out-of-bounds read in CIccPcsXform::pushXYZConvert() causing crash and potentially leaking memory contents. This vulnerability is fixed in 2.3.1.5.
- risk 0.00cvss 7.8epss 0.00
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Prior to 2.3.1.5, there is a heap-based buffer overflow in CIccCalculatorFunc::InitSelectOp() triggered with local user interaction causing memory corruption/crash. This vulnerability is…
- risk 0.00cvss 5.3epss 0.00
Vim is an open source, command line text editor. Versions prior to 9.2.0077 have a heap-buffer-overflow and a segmentation fault (SEGV) exist in Vim's swap file recovery logic. Both are caused by unvalidated fields read from crafted pointer blocks within a swap file. Version…
- risk 0.00cvss 4.4epss 0.00
Vim is an open source, command line text editor. Prior to version 9.2.0076, a heap-based buffer overflow WRITE and an out-of-bounds READ exist in Vim's terminal emulator when processing maximum combining characters from Unicode supplementary planes. Version 9.2.0076 fixes the…
- risk 0.00cvss 4.4epss 0.00
Vim is an open source, command line text editor. Prior to version 9.2.0074, a heap-based buffer overflow out-of-bounds read exists in Vim's Emacs-style tags file parsing logic. When processing a malformed tags file, Vim can be tricked into reading up to 7 bytes beyond the…
- risk 0.00cvss 7.5epss 0.01
free5GC go-upf is the User Plane Function (UPF) implementation for 5G networks that is part of the free5GC project. Versions prior to 1.2.8 have a Heap-based Buffer Overflow (CWE-122) vulnerability leading to Denial of Service. Remote attackers can crash the UPF network element…
- risk 0.00cvss 5.3epss 0.00
PJSIP is a free and open source multimedia communication library written in C. In versions 2.16 and below, there is a critical Heap-based Buffer Overflow vulnerability in PJSIP's H.264 unpacketizer. The bug occurs when processing malformed SRTP packets, where the unpacketizer…
- risk 0.00cvss 9.8epss 0.01
navigation2 is a ROS 2 Navigation Framework and System. In 1.3.11 and earlier, a critical heap out-of-bounds write vulnerability exists in Nav2 AMCL's particle filter clustering logic. By publishing a single crafted geometry_msgs/PoseWithCovarianceStamped message with extreme…