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 96 of 135| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-7040 | Hig | 0.42 | 7.5 | 0.00 | Apr 27, 2026 | Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters. The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption. Note that the minify_utf8 function is an alias for… | ||
| CVE-2026-33602 | Med | 0.42 | 6.5 | 0.01 | Apr 22, 2026 | A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service. | ||
| CVE-2026-32135 | Hig | 0.42 | 7.5 | 0.01 | Apr 20, 2026 | NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. Versions prior to 0.24.11 have a remotely triggerable heap buffer overflow in the `uri_param_parse` function of NanoMQ's REST API. The vulnerability occurs due to an off-by-one error when allocating memory for… | ||
| CVE-2026-33901 | Hig | 0.42 | 7.5 | 0.01 | Apr 13, 2026 | ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, a heap buffer overflow occurs in the MVG decoder that could result in an out of bounds write when processing a crafted image. This issue… | ||
| CVE-2026-30999 | Hig | 0.42 | 7.5 | 0.00 | Apr 13, 2026 | A heap buffer overflow in the av_bprint_finalize() function of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input. | ||
| CVE-2026-5447 | Hig | 0.42 | 7.5 | 0.00 | Apr 9, 2026 | Heap buffer overflow in CertFromX509 via AuthorityKeyIdentifier size confusion. A heap buffer overflow occurs when converting an X.509 certificate internally due to incorrect size handling of the AuthorityKeyIdentifier extension. | ||
| CVE-2026-34120 | Med | 0.42 | 6.5 | 0.00 | Apr 2, 2026 | A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within the asynchronous parsing of local video stream content due to insufficient alignment and validation of buffer boundaries when processing streaming inputs.An attacker on the same network… | ||
| CVE-2026-34119 | Med | 0.42 | 6.5 | 0.00 | Apr 2, 2026 | A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within the HTTP parsing loop when appending segmented request bodies without continuous write‑boundary verification, due to insufficient boundary validation when handling externally supplied… | ||
| CVE-2026-34118 | Med | 0.42 | 6.5 | 0.00 | Apr 2, 2026 | A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 in the HTTP POST body parsing logic due to missing validation of remaining buffer capacity after dynamic allocation, due to insufficient boundary validation when handling externally supplied… | ||
| CVE-2026-33986 | Hig | 0.42 | 7.5 | 0.00 | Mar 30, 2026 | FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, in yuv_ensure_buffer() in libfreerdp/codec/h264.c, h264->width and h264->height are updated before the reallocation loop. If any winpr_aligned_recalloc() call fails, the function returns… | ||
| CVE-2026-33984 | Hig | 0.42 | 7.5 | 0.00 | Mar 30, 2026 | FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, in resize_vbar_entry() in libfreerdp/codec/clear.c, vBarEntry->size is updated to vBarEntry->count before the winpr_aligned_recalloc() call. If realloc fails, size is inflated while pixels… | ||
| CVE-2026-33164 | Hig | 0.42 | 7.5 | 0.00 | Mar 20, 2026 | libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a malformed H.265 PPS NAL unit causes a segmentation fault in pic_parameter_set::set_derived_values(). This issue has been patched in version 1.0.17. | ||
| CVE-2006-10002 | Hig | 0.42 | 7.5 | 0.01 | Mar 19, 2026 | XML::Parser versions through 2.45 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes. A :utf8 PerlIO layer, parse_stream() in Expat.xs could overflow the XML input buffer because Perl's read() returns decoded… | ||
| CVE-2025-61154 | Med | 0.42 | 6.5 | 0.00 | Mar 12, 2026 | Heap buffer overflow vulnerability in LibreDWG versions v0.13.3.7571 up to v0.13.3.7835 allows a crafted DWG file to cause a Denial of Service (DoS) via the function decompress_R2004_section at decode.c. | ||
| CVE-2026-23567 | Med | 0.42 | 6.5 | 0.00 | Jan 29, 2026 | An integer underflow in the UDP command handler of the TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an adjacent network attacker to trigger a heap-based buffer overflow and cause a… | ||
| CVE-2026-24829 | Med | 0.42 | 6.5 | 0.00 | Jan 27, 2026 | Out-of-bounds Write, Heap-based Buffer Overflow vulnerability in Is-Daouda is-Engine.This issue affects is-Engine: before 3.3.4. | ||
| CVE-2025-70299 | Med | 0.42 | 6.5 | 0.00 | Jan 15, 2026 | A heap overflow in the avi_parse_input_file() function of GPAC v2.4.0 allows attackers to cause a Denial of Service (DoS) via a crafted AVI file. | ||
| CVE-2025-65406 | Med | 0.42 | 6.5 | 0.00 | Dec 1, 2025 | A heap overflow in the MatroskaFile::createRTPSinkForTrackNumber() function of Live555 Streaming Media v2018.09.02 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MKV file. | ||
| CVE-2025-22258 | Med | 0.42 | 6.5 | 0.01 | Oct 14, 2025 | A heap-based buffer overflow in Fortinet FortiSRA 1.5.0, 1.4.0 through 1.4.2, FortiPAM 1.5.0, 1.4.0 through 1.4.2, 1.3.0 through 1.3.1, 1.2.0, 1.1.0 through 1.1.2, 1.0.0 through 1.0.3, FortiProxy 7.6.0 through 7.6.1, 7.4.0 through 7.4.7, FortiOS 7.6.0 through 7.6.2, 7.4.0… | ||
| CVE-2025-59938 | Med | 0.42 | 6.5 | 0.00 | Sep 27, 2025 | Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions starting from 3.8.0 to before 4.11.0, wazuh-analysisd is vulnerable to a heap buffer overflow when parsing XML elements from Windows EventChannel messages. This issue has… |
- risk 0.42cvss 7.5epss 0.00
Text::Minify::XS versions from 0.3.0 before 0.7.8 for Perl have a heap overflow when processing some malformed UTF-8 characters. The minify functions mishandled some malformed UTF-8 characters, leading to heap corruption. Note that the minify_utf8 function is an alias for…
- risk 0.42cvss 6.5epss 0.01
A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service.
- risk 0.42cvss 7.5epss 0.01
NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. Versions prior to 0.24.11 have a remotely triggerable heap buffer overflow in the `uri_param_parse` function of NanoMQ's REST API. The vulnerability occurs due to an off-by-one error when allocating memory for…
- risk 0.42cvss 7.5epss 0.01
ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, a heap buffer overflow occurs in the MVG decoder that could result in an out of bounds write when processing a crafted image. This issue…
- risk 0.42cvss 7.5epss 0.00
A heap buffer overflow in the av_bprint_finalize() function of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
- risk 0.42cvss 7.5epss 0.00
Heap buffer overflow in CertFromX509 via AuthorityKeyIdentifier size confusion. A heap buffer overflow occurs when converting an X.509 certificate internally due to incorrect size handling of the AuthorityKeyIdentifier extension.
- risk 0.42cvss 6.5epss 0.00
A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within the asynchronous parsing of local video stream content due to insufficient alignment and validation of buffer boundaries when processing streaming inputs.An attacker on the same network…
- risk 0.42cvss 6.5epss 0.00
A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 within the HTTP parsing loop when appending segmented request bodies without continuous write‑boundary verification, due to insufficient boundary validation when handling externally supplied…
- risk 0.42cvss 6.5epss 0.00
A heap-based buffer overflow vulnerability was identified in TP-Link Tapo C520WS v2.6 in the HTTP POST body parsing logic due to missing validation of remaining buffer capacity after dynamic allocation, due to insufficient boundary validation when handling externally supplied…
- risk 0.42cvss 7.5epss 0.00
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, in yuv_ensure_buffer() in libfreerdp/codec/h264.c, h264->width and h264->height are updated before the reallocation loop. If any winpr_aligned_recalloc() call fails, the function returns…
- risk 0.42cvss 7.5epss 0.00
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, in resize_vbar_entry() in libfreerdp/codec/clear.c, vBarEntry->size is updated to vBarEntry->count before the winpr_aligned_recalloc() call. If realloc fails, size is inflated while pixels…
- risk 0.42cvss 7.5epss 0.00
libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a malformed H.265 PPS NAL unit causes a segmentation fault in pic_parameter_set::set_derived_values(). This issue has been patched in version 1.0.17.
- risk 0.42cvss 7.5epss 0.01
XML::Parser versions through 2.45 for Perl could overflow the pre-allocated buffer size cause a heap corruption (double free or corruption) and crashes. A :utf8 PerlIO layer, parse_stream() in Expat.xs could overflow the XML input buffer because Perl's read() returns decoded…
- risk 0.42cvss 6.5epss 0.00
Heap buffer overflow vulnerability in LibreDWG versions v0.13.3.7571 up to v0.13.3.7835 allows a crafted DWG file to cause a Denial of Service (DoS) via the function decompress_R2004_section at decode.c.
- risk 0.42cvss 6.5epss 0.00
An integer underflow in the UDP command handler of the TeamViewer DEX Client (former 1E Client) - Content Distribution Service (NomadBranch.exe) prior version 26.1 for Windows allows an adjacent network attacker to trigger a heap-based buffer overflow and cause a…
- risk 0.42cvss 6.5epss 0.00
Out-of-bounds Write, Heap-based Buffer Overflow vulnerability in Is-Daouda is-Engine.This issue affects is-Engine: before 3.3.4.
- risk 0.42cvss 6.5epss 0.00
A heap overflow in the avi_parse_input_file() function of GPAC v2.4.0 allows attackers to cause a Denial of Service (DoS) via a crafted AVI file.
- risk 0.42cvss 6.5epss 0.00
A heap overflow in the MatroskaFile::createRTPSinkForTrackNumber() function of Live555 Streaming Media v2018.09.02 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MKV file.
- risk 0.42cvss 6.5epss 0.01
A heap-based buffer overflow in Fortinet FortiSRA 1.5.0, 1.4.0 through 1.4.2, FortiPAM 1.5.0, 1.4.0 through 1.4.2, 1.3.0 through 1.3.1, 1.2.0, 1.1.0 through 1.1.2, 1.0.0 through 1.0.3, FortiProxy 7.6.0 through 7.6.1, 7.4.0 through 7.4.7, FortiOS 7.6.0 through 7.6.2, 7.4.0…
- risk 0.42cvss 6.5epss 0.00
Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions starting from 3.8.0 to before 4.11.0, wazuh-analysisd is vulnerable to a heap buffer overflow when parsing XML elements from Windows EventChannel messages. This issue has…