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CWE-120

4,201 CVEs • Abstraction: Base • Likelihood of Exploit: High

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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, leading to a buffer overflow.

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CVEs (4,201)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Ibm
1Db2
Jun 17, 2026
Apr 3, 2019
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 is vulnerable to a buffer overflow, which could allow an authenticated local attacker to execute arbitrary code on the system as...Show more
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 is vulnerable to a buffer overflow, which could allow an authenticated local attacker to execute arbitrary code on the system as root. IBM X-Force ID: 155892.Show less
4Fedoraproject
OpensuseRedhat+1 more
8Edk Ii
Enterprise LinuxEnterprise Linux Eus+5 more
Jun 17, 2026
Mar 27, 2019
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
Buffer overflow in system firmware for EDK II may allow unauthenticated user to potentially enable escalation of privilege and/or denial of service via network access.
1Moxa
1Softcms
Nov 21, 2024
Mar 21, 2019
N/A· v4
8.8 HIGH· v3
6.8 MEDIUM· v2
Moxa SoftCMS 1.3 and prior is susceptible to a buffer overflow condition that may crash or allow remote code execution. Moxa released SoftCMS version 1.4 on June 1, 2015, to address the vulnerability.
1Insteon
1Hub Firmware
Nov 21, 2024
Mar 21, 2019
N/A· v4
8.1 HIGH· v3
5.5 MEDIUM· v2
An exploitable buffer overflow vulnerability exists in the PubNub message handler Insteon Hub 2245-222 - Firmware version 1012. Specially crafted commands sent through the PubNub service can cause a stack-based buffer ov...Show more
An exploitable buffer overflow vulnerability exists in the PubNub message handler Insteon Hub 2245-222 - Firmware version 1012. Specially crafted commands sent through the PubNub service can cause a stack-based buffer overflow overwriting arbitrary data. An attacker can send an authenticated HTTP request at At 0x9d014e84 the value for the cmd1 key is copied using strcpy to the buffer at $sp+0x280. This buffer is 16 bytes large.Show less
1Ibm
1Db2
Jun 17, 2026
Mar 11, 2019
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 is vulnerable to a buffer overflow, which could allow an authenticated local attacker to execute arbitrary code on the system as...Show more
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 is vulnerable to a buffer overflow, which could allow an authenticated local attacker to execute arbitrary code on the system as root. IBM X-ForceID: 155894.Show less
1Ibm
1Db2
Jun 17, 2026
Mar 11, 2019
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 is vulnerable to a buffer overflow, which could allow an authenticated local attacker to execute arbitrary code on the system as...Show more
IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 is vulnerable to a buffer overflow, which could allow an authenticated local attacker to execute arbitrary code on the system as root. IBM X-ForceID: 155893.Show less
1Moxa
4Eds 405a Firmware
Eds 408a FirmwareEds 510a Firmware+1 more
Jun 17, 2026
Mar 5, 2019
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
Several buffer overflow vulnerabilities have been identified in Moxa IKS and EDS, which may allow remote code execution.
2Canonical
Freerdp
2Freerdp
Ubuntu Linux
Jun 17, 2026
Nov 29, 2018
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress() that results in a memory corruption and probably even a remote code execution.
2Canonical
Freerdp
2Freerdp
Ubuntu Linux
Jun 17, 2026
Nov 29, 2018
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
FreeRDP prior to version 2.0.0-rc4 contains a Heap-Based Buffer Overflow in function zgfx_decompress_segment() that results in a memory corruption and probably even a remote code execution.
1Qnap
1Qts
Nov 21, 2024
Nov 27, 2018
N/A· v4
7.7 HIGH· v3
10.0 HIGH· v2
Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Systems Inc. QTS version 4.2.6 and prior versions on build 20180711; version 4.3.3 and prior versions on...Show more
Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Systems Inc. QTS version 4.2.6 and prior versions on build 20180711; version 4.3.3 and prior versions on build 20180725; version 4.3.4 and prior versions on build 20180710.Show less
1Yitechnology
1Yi Home Camera Firmware
Nov 21, 2024
Nov 2, 2018
N/A· v4
7.5 HIGH· v3
5.1 MEDIUM· v2
An exploitable code execution vulnerability exists in the QR code scanning functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted QR Code can cause a buffer overflow, resulting in code execution. The trans_in...Show more
An exploitable code execution vulnerability exists in the QR code scanning functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted QR Code can cause a buffer overflow, resulting in code execution. The trans_info call can overwrite a buffer of size 0x104, which is more than enough to overflow the return address from the password_dst fieldShow less
1Yitechnology
1Yi Home Camera Firmware
Nov 21, 2024
Nov 2, 2018
N/A· v4
7.5 HIGH· v3
5.1 MEDIUM· v2
An exploitable code execution vulnerability exists in the QR code scanning functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted QR Code can cause a buffer overflow, resulting in code execution. The trans_in...Show more
An exploitable code execution vulnerability exists in the QR code scanning functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted QR Code can cause a buffer overflow, resulting in code execution. The trans_info call can overwrite a buffer of size 0x104, which is more than enough to overflow the return address from the ssid_dst field.Show less
1Yitechnology
1Yi Home Camera Firmware
Nov 21, 2024
Nov 2, 2018
N/A· v4
8.1 HIGH· v3
6.8 MEDIUM· v2
An exploitable firmware downgrade vulnerability exists in the time syncing functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted packet can cause a buffer overflow, resulting in code execution. An attacker c...Show more
An exploitable firmware downgrade vulnerability exists in the time syncing functionality of Yi Home Camera 27US 1.8.7.0D. A specially crafted packet can cause a buffer overflow, resulting in code execution. An attacker can intercept and alter network traffic to trigger this vulnerability.Show less
2Debian
Redhat
5Debian Linux
Enterprise Linux ServerEnterprise Linux Virtualization+2 more
Nov 21, 2024
Oct 31, 2018
N/A· v4
6.5 MEDIUM· v3
4.0 MEDIUM· v2
The Gluster file system through versions 3.12 and 4.1.4 is vulnerable to a buffer overflow in the 'features/index' translator via the code handling the 'GF_XATTR_CLRLK_CMD' xattr in the 'pl_getxattr' function. A remote a...Show more
The Gluster file system through versions 3.12 and 4.1.4 is vulnerable to a buffer overflow in the 'features/index' translator via the code handling the 'GF_XATTR_CLRLK_CMD' xattr in the 'pl_getxattr' function. A remote authenticated attacker could exploit this on a mounted volume to cause a denial of service.Show less
4Canonical
DebianRedhat+1 more
9Debian Linux
Enterprise Linux DesktopEnterprise Linux Server+6 more
Jun 9, 2025
Oct 26, 2018
N/A· v4
8.8 HIGH· v3
5.8 MEDIUM· v2
A buffer overflow vulnerability in the dhcp6 client of systemd allows a malicious dhcp6 server to overwrite heap memory in systemd-networkd. Affected releases are systemd: versions up to and including 239.
1Fujielectric
1Alpha5 Smart Loader Firmware
Nov 21, 2024
Oct 1, 2018
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
Fuji Electric Alpha5 Smart Loader Versions 3.7 and prior. A buffer overflow information disclosure vulnerability occurs when parsing certain file types.
1Samsung
1Sth Eth 250 Firmware
Nov 21, 2024
Sep 21, 2018
N/A· v4
8.8 HIGH· v3
9.0 HIGH· v2
An exploitable buffer overflow vulnerability exists in the /cameras/XXXX/clips handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17. The strncpy call overflows the destinati...Show more
An exploitable buffer overflow vulnerability exists in the /cameras/XXXX/clips handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17. The strncpy call overflows the destination buffer, which has a size of 52 bytes. An attacker can send an arbitrarily long "startTime" value in order to exploit this vulnerability.Show less
1Samsung
1Sth Eth 250 Firmware
Nov 21, 2024
Sep 21, 2018
N/A· v4
8.8 HIGH· v3
9.0 HIGH· v2
An exploitable buffer overflow vulnerability exists in the credentials handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17. The strncpy overflows the destination buffer, wh...Show more
An exploitable buffer overflow vulnerability exists in the credentials handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250-Firmware version 0.20.17. The strncpy overflows the destination buffer, which has a size of 64 bytes. An attacker can send an arbitrarily long "bucket" value in order to exploit this vulnerability.Show less
1Samsung
1Sth Eth 250 Firmware
Nov 21, 2024
Sep 20, 2018
N/A· v4
8.8 HIGH· v3
9.0 HIGH· v2
An exploitable buffer overflow vulnerability exists in the Samsung WifiScan handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy overflows the destination buff...Show more
An exploitable buffer overflow vulnerability exists in the Samsung WifiScan handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy overflows the destination buffer, which has a size of 40 bytes. An attacker can send an arbitrarily long "cameraIp" value in order to exploit this vulnerability.Show less
1Samsung
1Sth Eth 250 Firmware
Nov 21, 2024
Sep 20, 2018
N/A· v4
8.8 HIGH· v3
9.0 HIGH· v2
An exploitable buffer overflow vulnerability exists in the Samsung WifiScan handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy overflows the destination buff...Show more
An exploitable buffer overflow vulnerability exists in the Samsung WifiScan handler of video-core's HTTP server of Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. The strcpy overflows the destination buffer, which has a size of 40 bytes. An attacker can send an arbitrarily long "password" value in order to exploit this vulnerability.Show less