CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Description
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.
Hierarchy (View 1000)
Related attack patterns (CAPEC)
CAPEC-10 · CAPEC-100 · CAPEC-14 · CAPEC-24 · CAPEC-42 · CAPEC-44 · CAPEC-45 · CAPEC-46 · CAPEC-47 · CAPEC-67 · CAPEC-8 · CAPEC-9 · CAPEC-92
CVEs mapped to this weakness (4,372)
page 87 of 219| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2021-31845 | Hig | 0.55 | 8.4 | 0.01 | Sep 17, 2021 | A buffer overflow vulnerability in McAfee Data Loss Prevention (DLP) Discover prior to 11.6.100 allows an attacker in the same network as the DLP Discover to execute arbitrary code through placing carefully constructed Ami Pro (.sam) files onto a machine and having DLP Discover… | ||
| CVE-2021-30295 | Hig | 0.55 | 8.4 | 0.00 | Sep 9, 2021 | Possible heap overflow due to improper validation of local variable while storing current task information locally in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables | ||
| CVE-2021-1889 | Hig | 0.55 | 8.4 | 0.00 | Jul 13, 2021 | Possible buffer overflow due to lack of length check in Trusted Application in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables | ||
| CVE-2021-1493 | Hig | 0.55 | 8.5 | 0.01 | Apr 29, 2021 | A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a buffer overflow on an affected system. The vulnerability is due to… | ||
| CVE-2025-15467 | Hig | 0.54 | 8.8 | 0.48 | Jan 27, 2026 | Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer overflow may lead to a crash, causing Denial of Service, or potentially remote code execution. … | ||
| CVE-2025-68137 | Hig | 0.54 | 8.3 | 0.00 | Jan 21, 2026 | EVerest is an EV charging software stack. Prior to version 2025.10.0, an integer overflow occurring in `SdpPacket::parse_header()` allows the current buffer length to be set to 7 after a complete header of size 8 has been read. The remaining length to read is computed using the… | ||
| CVE-2025-6151 | Hig | 0.54 | — | 0.04 | Jun 17, 2025 | A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be launched remotely. This vulnerability only affects… | ||
| CVE-2024-31225 | Hig | 0.54 | 8.3 | 0.01 | May 1, 2024 | RIOT is a real-time multi-threading operating system that supports a range of devices that are typically 8-bit, 16-bit and 32-bit microcontrollers. The `_on_rd_init()` function does not implement a size check before copying data to the `_result_buf` static buffer. If an attacker… | ||
| CVE-2024-26952 | Hig | 0.54 | 8.3 | 0.01 | May 1, 2024 | In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix potencial out-of-bounds when buffer offset is invalid I found potencial out-of-bounds when buffer offset fields of a few requests is invalid. This patch set the minimum value of buffer offset field… | ||
| CVE-2023-4424 | Hig | 0.54 | 8.3 | 0.00 | Nov 21, 2023 | An malicious BLE device can cause buffer overflow by sending malformed advertising packet BLE device using Zephyr OS, leading to DoS or potential RCE on the victim BLE device. | ||
| CVE-2022-41966 | Hig | 0.54 | 8.2 | 0.09 | Dec 28, 2022 | XStream serializes Java objects to XML and back again. Versions prior to 1.4.20 may allow a remote attacker to terminate the application with a stack overflow error, resulting in a denial of service only via manipulation the processed input stream. The attack uses the hash code… | ||
| CVE-2009-2502 | Hig | 0.54 | 8.1 | 0.22 | Oct 14, 2009 | Buffer overflow in GDI+ in Microsoft Internet Explorer 6 SP1, Windows XP SP2 and SP3, Office XP SP3, Office 2003 SP3, 2007 Microsoft Office System SP1 and SP2, Office Project 2002 SP1, Visio 2002 SP2, Office Word Viewer, Word Viewer 2003 Gold and SP3, Office Excel Viewer 2003… | ||
| CVE-2026-17220 | Hig | 0.53 | 8.2 | 0.00 | Aug 13, 2026 | IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and modify authentication metadata due to a buffer overflow. | ||
| CVE-2026-19002 | Hig | 0.53 | 8.1 | 0.00 | Aug 12, 2026 | A missing bounds check when parsing stored procedure parameter metadata in the MongoDB BI Connector ODBC Driver can result in an out-of-bounds write in the client application process. Triggering this issue requires control over the server the driver connects to, or the ability… | ||
| CVE-2026-70465 | Hig | 0.53 | 8.1 | 0.01 | Aug 12, 2026 | A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.11 may allow an unauthenticated attacker in a position to alter or craft DNS responses to the targeted… | ||
| CVE-2026-54257 | Cri | 0.53 | — | 0.00 | Jun 23, 2026 | Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.1 until 42.3.3, Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow. Most apps will crash and some may perform incorrect… | ||
| CVE-2026-12328 | Hig | 0.53 | 8.1 | 0.00 | Jun 16, 2026 | Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary… | ||
| CVE-2026-8093 | Hig | 0.53 | 8.1 | 0.00 | May 7, 2026 | Memory safety bugs present in Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.2 and Thunderbird 150.0.2. | ||
| CVE-2026-24660 | Hig | 0.53 | 8.1 | 0.01 | Apr 7, 2026 | A heap-based buffer overflow vulnerability exists in the x3f_load_huffman functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability. | ||
| CVE-2026-2007 | Hig | 0.53 | 8.2 | 0.00 | Feb 12, 2026 | Heap buffer overflow in PostgreSQL pg_trgm allows a database user to achieve unknown impacts via a crafted input string. The attacker has limited control over the byte patterns to be written, but we have not ruled out the viability of attacks that lead to privilege escalation. … |
- risk 0.55cvss 8.4epss 0.01
A buffer overflow vulnerability in McAfee Data Loss Prevention (DLP) Discover prior to 11.6.100 allows an attacker in the same network as the DLP Discover to execute arbitrary code through placing carefully constructed Ami Pro (.sam) files onto a machine and having DLP Discover…
- risk 0.55cvss 8.4epss 0.00
Possible heap overflow due to improper validation of local variable while storing current task information locally in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables
- risk 0.55cvss 8.4epss 0.00
Possible buffer overflow due to lack of length check in Trusted Application in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables
- risk 0.55cvss 8.5epss 0.01
A vulnerability in the web services interface of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause a buffer overflow on an affected system. The vulnerability is due to…
- risk 0.54cvss 8.8epss 0.48
Issue summary: Parsing CMS AuthEnvelopedData or EnvelopedData message with maliciously crafted AEAD parameters can trigger a stack buffer overflow. Impact summary: A stack buffer overflow may lead to a crash, causing Denial of Service, or potentially remote code execution. …
- risk 0.54cvss 8.3epss 0.00
EVerest is an EV charging software stack. Prior to version 2025.10.0, an integer overflow occurring in `SdpPacket::parse_header()` allows the current buffer length to be set to 7 after a complete header of size 8 has been read. The remaining length to read is computed using the…
- risk 0.54cvss —epss 0.04
A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality of the file /userRpm/WanSlaacCfgRpm.htm, which may lead to buffer overflow. The attack may be launched remotely. This vulnerability only affects…
- risk 0.54cvss 8.3epss 0.01
RIOT is a real-time multi-threading operating system that supports a range of devices that are typically 8-bit, 16-bit and 32-bit microcontrollers. The `_on_rd_init()` function does not implement a size check before copying data to the `_result_buf` static buffer. If an attacker…
- risk 0.54cvss 8.3epss 0.01
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix potencial out-of-bounds when buffer offset is invalid I found potencial out-of-bounds when buffer offset fields of a few requests is invalid. This patch set the minimum value of buffer offset field…
- risk 0.54cvss 8.3epss 0.00
An malicious BLE device can cause buffer overflow by sending malformed advertising packet BLE device using Zephyr OS, leading to DoS or potential RCE on the victim BLE device.
- risk 0.54cvss 8.2epss 0.09
XStream serializes Java objects to XML and back again. Versions prior to 1.4.20 may allow a remote attacker to terminate the application with a stack overflow error, resulting in a denial of service only via manipulation the processed input stream. The attack uses the hash code…
- risk 0.54cvss 8.1epss 0.22
Buffer overflow in GDI+ in Microsoft Internet Explorer 6 SP1, Windows XP SP2 and SP3, Office XP SP3, Office 2003 SP3, 2007 Microsoft Office System SP1 and SP2, Office Project 2002 SP1, Visio 2002 SP2, Office Word Viewer, Word Viewer 2003 Gold and SP3, Office Excel Viewer 2003…
- risk 0.53cvss 8.2epss 0.00
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and modify authentication metadata due to a buffer overflow.
- risk 0.53cvss 8.1epss 0.00
A missing bounds check when parsing stored procedure parameter metadata in the MongoDB BI Connector ODBC Driver can result in an out-of-bounds write in the client application process. Triggering this issue requires control over the server the driver connects to, or the ability…
- risk 0.53cvss 8.1epss 0.01
A buffer copy without checking size of input ('classic buffer overflow') vulnerability in Fortinet FortiClientWindows 7.4.0 through 7.4.3, FortiClientWindows 7.2.0 through 7.2.11 may allow an unauthenticated attacker in a position to alter or craft DNS responses to the targeted…
- risk 0.53cvss —epss 0.00
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.1 until 42.3.3, Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow. Most apps will crash and some may perform incorrect…
- risk 0.53cvss 8.1epss 0.00
Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary…
- risk 0.53cvss 8.1epss 0.00
Memory safety bugs present in Firefox 150.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.2 and Thunderbird 150.0.2.
- risk 0.53cvss 8.1epss 0.01
A heap-based buffer overflow vulnerability exists in the x3f_load_huffman functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
- risk 0.53cvss 8.2epss 0.00
Heap buffer overflow in PostgreSQL pg_trgm allows a database user to achieve unknown impacts via a crafted input string. The attacker has limited control over the byte patterns to be written, but we have not ruled out the viability of attacks that lead to privilege escalation. …