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 40 of 65
- 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…
- CVE-2026-12844HIGHCVSS 7.5EG 7.52026-06-25
List::SomeUtils::XS versions before 0.59 for Perl have a heap buffer overflow in the pairwise function. pairwise() collects the values returned by the block into a heap buffer sized to the longer input array, then grows the buffer before …
- CVE-2026-12912HIGHCVSS 7.3EG 7.32026-06-29
A flaw was found in libtiff. A remote attacker could exploit this vulnerability by providing a specially crafted PixarLog-compressed TIFF image. This issue occurs when decoding Pixarlog codec images with the PIXARLOGDATAFMT_8BITABGR output…
- CVE-2026-13072HIGHCVSS 8.1EG 8.12026-07-22
When compute mode is enabled on a standalone mongod instance, insufficient validation of externally sourced BSON data during aggregation pipeline processing can result in memory corruption, potentially leading to process termination or oth…
- CVE-2026-13307MEDIUMCVSS 6.8EG 6.82026-07-29
Autel MaxiCharger AC Elite Home USB Heap-based Buffer Overflow Arbitrary Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Autel MaxiCharger AC Elite…
- CVE-2026-13473CRITICALCVSS 9.8EG 9.82026-07-17
IBM Storage Protect Client 8.1.0.0 through 8.1.27.0, 8.1.27.1, and 8.2.0.0 through 8.2.1.0 IBM Storage Protect is vulnerable to a heap-based buffer overflow, caused by improper bounds checking. A remote attacker could overflow a buffer and…
- CVE-2026-13574LOWCVSS 3.3EG 3.32026-06-29
A vulnerability was determined in llvm llvm-project up to 22.1.6. This impacts the function GCRelocateInst::getBasePtr in the library llvm/lib/IR/IntrinsicInst.cpp of the component Bitcode File Handler. This manipulation causes heap-based …
- CVE-2026-13587LOWCVSS 3.7EG 3.72026-06-29
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_leng…
- CVE-2026-13588MEDIUMCVSS 5.6EG 5.62026-06-29
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 ma…
- CVE-2026-13589MEDIUMCVSS 5.6EG 5.62026-06-29
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 …
- CVE-2026-13590MEDIUMCVSS 5.6EG 5.62026-06-29
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 argumen…
- CVE-2026-13798CRITICALCVSS 9.6EG 9.62026-06-30
Heap buffer overflow in Chromecast in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Hig…
- CVE-2026-13835HIGHCVSS 8.8EG 8.82026-06-30
Inappropriate implementation in XML in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-13884HIGHCVSS 8.8EG 8.82026-06-30
Integer overflow in Chromecast in Google Chrome prior to 150.0.7871.47 allowed a local attacker to execute arbitrary code via malicious network traffic. (Chromium security severity: Medium)
- CVE-2026-13976MEDIUMCVSS 5.8EG 5.82026-06-30
Insufficient data validation in Storage in Google Chrome prior to 150.0.7871.47 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-2026-14087HIGHCVSS 8.8EG 8.82026-06-30
Heap buffer overflow in WebNN in Google Chrome on Windows prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity…
- CVE-2026-14266HIGHCVSS 7.8EG 7.82026-07-29
7-Zip XZ Decompression Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vu…
- CVE-2026-14355MEDIUMCVSS 5.3EG 5.32026-07-03
In PHP versions 8.2.* before 8.2.32, 8.3.* before 8.3.32, 8.4.* before 8.4.23, 8.5.* before 8.5.8, the AES-WRAP-PAD algorithm implementation in OpenSSL extension contains a buffer allocation flaw. The output buffer for the AES key-wrap-wit…
- CVE-2026-14385HIGHCVSS 8.8EG 8.82026-07-02
Heap buffer overflow in ANGLE in Google Chrome on Mac prior to 150.0.7871.46 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-14415HIGHCVSS 8.8EG 8.82026-07-02
Inappropriate implementation in V8 in Google Chrome prior to 150.0.7871.46 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-2026-14427HIGHCVSS 8.3EG 8.32026-07-02
Heap buffer overflow in Skia in Google Chrome prior to 150.0.7871.46 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)
- CVE-2026-14610MEDIUMCVSS 5.3EG 5.32026-07-03
A flaw has been found in Open Asset Import Library Assimp up to 6.0.5. Impacted is the function Assimp::CSMImporter::InternReadFile of the file code/AssetLib/CSM/CSMLoader.cpp of the component CSM File Handler. This manipulation causes hea…
- CVE-2026-14664HIGHCVSS 8.8EG 8.82026-08-13
Heap buffer overflow in PostgreSQL regexp allows the query author to execute arbitrary code as the operating system user running the database, via text that would not pass encoding validation. This shares heritage with CVE-2026-2006, but …
- CVE-2026-14669HIGHCVSS 8.8EG 8.82026-08-13
Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbitrary code as the operating system user running the database, via a long POSIX timezone abbreviation. Versions before PostgreSQL…
- CVE-2026-14670HIGHCVSS 8.8EG 8.82026-08-13
Heap buffer overflow in PostgreSQL plperl return of a tied hash allows the function owner to execute arbitrary code as the operating system user running the database, via a crafted function body. Versions before PostgreSQL 18.6, 17.11, 16…
- CVE-2026-14676HIGHCVSS 8.8EG 8.82026-08-13
Heap buffer overflow in PostgreSQL pg_stat_statements allows the query author to execute arbitrary code as the operating system user running the database, via crafted queries containing array constants. Within major version 18, minor vers…
- CVE-2026-14759HIGHCVSS 7.8EG 7.82026-07-05
A security flaw has been discovered in radareorg radare2 up to 6.1.6. This issue affects the function r_bin_java_inner_classes_attr_calc_size of the file shlr/java/class.c of the component RBinJava Line Number Table Parser. Performing a ma…
- CVE-2026-14940MEDIUMCVSS 5.3EG 5.32026-07-07
A heap-buffer-overflow flaw was found in 389 Directory Server (389-ds-base). When normalizing a Distinguished Name (DN) that contains a legacy-quoted value encoding a multivalued nested Relative Distinguished Name (RDN), the server can wri…
- CVE-2026-15028LOWCVSS 3.9EG 3.92026-07-10
A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.ho…
- CVE-2026-15123HIGHCVSS 8.8EG 8.82026-07-08
Inappropriate implementation in DOM in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
- CVE-2026-15164MEDIUMCVSS 5.5EG 5.52026-07-08
Crash in ciscodump 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
- CVE-2026-15165MEDIUMCVSS 5.5EG 5.52026-07-08
TLS ECH decryptor crash in Wireshark 4.6.0 to 4.6.6 allows denial of service
- CVE-2026-15169HIGHCVSS 7.5EG 7.52026-07-08
UMTS FP protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
- CVE-2026-15170MEDIUMCVSS 5.5EG 5.52026-07-08
Z39.50 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
- CVE-2026-15173MEDIUMCVSS 5.5EG 5.52026-07-08
pcapng file parser crash in Wireshark 4.6.0 to 4.6.6 allows denial of service
- CVE-2026-15174MEDIUMCVSS 5.5EG 5.52026-07-08
Catapult DCT2000 protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
- CVE-2026-15182MEDIUMCVSS 5.3EG 5.32026-07-09
A vulnerability has been found in GNU LibreDWG up to 0.13.4. The affected element is the function dwg_bmp of the file src/dwg.c of the component BMP Image Handler. Such manipulation leads to heap-based buffer overflow. The attack must be c…
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