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 (3,186)
page 143 of 160| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-45761 | Low | 0.14 | 3.3 | 0.00 | Sep 10, 2026 | Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a crafted rule using mixed-case frame syntax could trigger a heap buffer overflow while Suricata is loading signatures. The… | ||
| CVE-2025-15668 | Low | 0.14 | 3.3 | 0.00 | Jul 6, 2026 | A vulnerability was identified in GPAC up to b40ce70f5. This issue affects the function sgpd_del_entry of the file src/isomedia/box_code_base.c of the component MP4Box. Such manipulation of the argument data leads to heap-based buffer overflow. Local access is required to… | ||
| CVE-2026-14759 | Low | 0.14 | 3.3 | 0.00 | Jul 5, 2026 | 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 manipulation results in heap-based buffer… | ||
| CVE-2026-54896 | Low | 0.14 | — | 0.00 | Jul 1, 2026 | Oj (Optimized JSON) is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.2, when in object mode, Oj.dump is vulnerable to a heap buffer overflow when serializing Exception objects with a large :indent value. The serializer allocates a buffer… | ||
| CVE-2025-68469 | Low | 0.14 | 3.3 | 0.00 | Dec 18, 2025 | ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.1-14, ImageMagick crashes when processing a crafted TIFF file. Version 7.1.1-14 fixes the issue. | ||
| CVE-2025-6494 | Low | 0.14 | 3.3 | 0.00 | Jun 22, 2025 | A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833. It has been classified as problematic. This affects the function hashmap_get_with_hash of the file gumbo-parser/src/hashmap.c. The manipulation leads to heap-based buffer overflow. An… | ||
| CVE-2025-6490 | Low | 0.14 | 3.3 | 0.00 | Jun 22, 2025 | A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833 and classified as problematic. This issue affects the function hashmap_set_with_hash of the file gumbo-parser/src/hashmap.c. The manipulation leads to heap-based buffer overflow. An… | ||
| CVE-2025-2923 | Low | 0.14 | 3.3 | 0.00 | Mar 28, 2025 | A vulnerability, which was classified as problematic, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5F_addr_encode_len of the file src/H5Fint.c. The manipulation of the argument pp leads to heap-based buffer overflow. Attacking locally is a… | ||
| CVE-2025-2912 | Low | 0.14 | 3.3 | 0.00 | Mar 28, 2025 | A vulnerability was found in HDF5 up to 1.14.6. It has been declared as problematic. Affected by this vulnerability is the function H5O_msg_flush of the file src/H5Omessage.c. The manipulation of the argument oh leads to heap-based buffer overflow. The attack needs to be… | ||
| CVE-2019-16778 | Low | 0.10 | 2.6 | 0.01 | Dec 16, 2019 | In TensorFlow before 1.15, a heap buffer overflow in UnsortedSegmentSum can be produced when the Index template argument is int32. In this case data_size and num_segments fields are truncated from int64 to int32 and can produce negative numbers, resulting in accessing out of… | ||
| CVE-2025-64031 | Low | 0.09 | 2.5 | 0.00 | Sep 14, 2026 | libarchive 3.8.x before 3.8.2 has a strcpy heap-based buffer overflow in the gzip writer via the original-filename field to archive_compressor_gzip_open in archive_write_add_filter_gzip.c, aka GHSA-92wx-p669-8gr9. This relates to bsdtar. Exploitation envisions a marginally… | ||
| CVE-2026-2913 | Low | 0.09 | 2.5 | 0.00 | Feb 22, 2026 | A vulnerability was determined in libvips up to 8.19.0. The affected element is the function vips_source_read_to_memory of the file libvips/iofuncs/source.c. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The attack's… | ||
| CVE-2023-0210 | Hig | 0.06 | 7.5 | 0.72 | Mar 27, 2023 | A bug affects the Linux kernel’s ksmbd NTLMv2 authentication and is known to crash the OS immediately in Linux-based systems. | ||
| CVE-2026-56392 | Low | 0.05 | — | 0.00 | Jul 24, 2026 | GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop (-t) values. The multiplication used to calculate the allocation size can wrap around, resulting in an undersized buffer. When… | ||
| CVE-2026-61464 | Low | 0.05 | 1.8 | 0.00 | Jul 15, 2026 | ImageMagick before 7.1.2-26 and 6.9.13-51 contains a heap-based buffer over-write vulnerability that occurs when running an X11 import with a crafted window title, which can result in heap memory corruption and denial of service. | ||
| CVE-2025-11961 | Low | 0.05 | 1.9 | 0.00 | Dec 31, 2025 | pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer. The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented. If an… | ||
| CVE-2024-10525 | Cri | 0.05 | 9.8 | 0.59 | Oct 30, 2024 | In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker sends a crafted SUBACK packet with no reason codes, a client using libmosquitto may make out of bounds memory access when acting in its on_subscribe callback. This affects the mosquitto_sub and… | ||
| CVE-2014-0781 | 0.05 | — | 0.25 | Mar 14, 2014 | Heap-based buffer overflow in BKCLogSvr.exe in Yokogawa CENTUM CS 3000 R3.09.50 and earlier allows remote attackers to execute arbitrary code via crafted UDP packets. | |||
| CVE-2018-1120 | Low | 0.04 | 2.8 | 0.06 | Jun 20, 2018 | A flaw was found affecting the Linux kernel before version 4.17. By mmap()ing a FUSE-backed file onto a process's memory containing command line arguments (or environment strings), an attacker can cause utilities from psutils or procps (such as ps, w) or any other program which… | ||
| CVE-2025-54574 | Cri | 0.02 | 9.3 | 0.23 | Aug 1, 2025 | Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable… |
- risk 0.14cvss 3.3epss 0.00
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a crafted rule using mixed-case frame syntax could trigger a heap buffer overflow while Suricata is loading signatures. The…
- risk 0.14cvss 3.3epss 0.00
A vulnerability was identified in GPAC up to b40ce70f5. This issue affects the function sgpd_del_entry of the file src/isomedia/box_code_base.c of the component MP4Box. Such manipulation of the argument data leads to heap-based buffer overflow. Local access is required to…
- risk 0.14cvss 3.3epss 0.00
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 manipulation results in heap-based buffer…
- risk 0.14cvss —epss 0.00
Oj (Optimized JSON) is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.2, when in object mode, Oj.dump is vulnerable to a heap buffer overflow when serializing Exception objects with a large :indent value. The serializer allocates a buffer…
- risk 0.14cvss 3.3epss 0.00
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.1-14, ImageMagick crashes when processing a crafted TIFF file. Version 7.1.1-14 fixes the issue.
- risk 0.14cvss 3.3epss 0.00
A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833. It has been classified as problematic. This affects the function hashmap_get_with_hash of the file gumbo-parser/src/hashmap.c. The manipulation leads to heap-based buffer overflow. An…
- risk 0.14cvss 3.3epss 0.00
A vulnerability was found in sparklemotion nokogiri c29c920907366cb74af13b4dc2230e9c9e23b833 and classified as problematic. This issue affects the function hashmap_set_with_hash of the file gumbo-parser/src/hashmap.c. The manipulation leads to heap-based buffer overflow. An…
- risk 0.14cvss 3.3epss 0.00
A vulnerability, which was classified as problematic, has been found in HDF5 up to 1.14.6. Affected by this issue is the function H5F_addr_encode_len of the file src/H5Fint.c. The manipulation of the argument pp leads to heap-based buffer overflow. Attacking locally is a…
- risk 0.14cvss 3.3epss 0.00
A vulnerability was found in HDF5 up to 1.14.6. It has been declared as problematic. Affected by this vulnerability is the function H5O_msg_flush of the file src/H5Omessage.c. The manipulation of the argument oh leads to heap-based buffer overflow. The attack needs to be…
- risk 0.10cvss 2.6epss 0.01
In TensorFlow before 1.15, a heap buffer overflow in UnsortedSegmentSum can be produced when the Index template argument is int32. In this case data_size and num_segments fields are truncated from int64 to int32 and can produce negative numbers, resulting in accessing out of…
- risk 0.09cvss 2.5epss 0.00
libarchive 3.8.x before 3.8.2 has a strcpy heap-based buffer overflow in the gzip writer via the original-filename field to archive_compressor_gzip_open in archive_write_add_filter_gzip.c, aka GHSA-92wx-p669-8gr9. This relates to bsdtar. Exploitation envisions a marginally…
- risk 0.09cvss 2.5epss 0.00
A vulnerability was determined in libvips up to 8.19.0. The affected element is the function vips_source_read_to_memory of the file libvips/iofuncs/source.c. This manipulation causes heap-based buffer overflow. It is possible to launch the attack on the local host. The attack's…
- risk 0.06cvss 7.5epss 0.72
A bug affects the Linux kernel’s ksmbd NTLMv2 authentication and is known to crash the OS immediately in Linux-based systems.
- risk 0.05cvss —epss 0.00
GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop (-t) values. The multiplication used to calculate the allocation size can wrap around, resulting in an undersized buffer. When…
- risk 0.05cvss 1.8epss 0.00
ImageMagick before 7.1.2-26 and 6.9.13-51 contains a heap-based buffer over-write vulnerability that occurs when running an X11 import with a crafted window title, which can result in heap memory corruption and denial of service.
- risk 0.05cvss 1.9epss 0.00
pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer. The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented. If an…
- risk 0.05cvss 9.8epss 0.59
In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker sends a crafted SUBACK packet with no reason codes, a client using libmosquitto may make out of bounds memory access when acting in its on_subscribe callback. This affects the mosquitto_sub and…
- CVE-2014-0781Mar 14, 2014risk 0.05cvss —epss 0.25
Heap-based buffer overflow in BKCLogSvr.exe in Yokogawa CENTUM CS 3000 R3.09.50 and earlier allows remote attackers to execute arbitrary code via crafted UDP packets.
- risk 0.04cvss 2.8epss 0.06
A flaw was found affecting the Linux kernel before version 4.17. By mmap()ing a FUSE-backed file onto a process's memory containing command line arguments (or environment strings), an attacker can cause utilities from psutils or procps (such as ps, w) or any other program which…
- risk 0.02cvss 9.3epss 0.23
Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around this issue, disable…