CWE-120— Buffer Copy without Checking Size (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.— MITRE CWE catalog
4,711 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-120page 22 of 95
- CVE-2023-22754CRITICALCVSS 8.1EG 9.82023-03-01
There are buffer overflow vulnerabilities in multiple underlying operating system processes that could lead to unauthenticated remote code execution by sending specially crafted packets via the PAPI protocol. Successful exploitation of the…
- CVE-2023-22753CRITICALCVSS 8.1EG 9.82023-03-01
There are buffer overflow vulnerabilities in multiple underlying operating system processes that could lead to unauthenticated remote code execution by sending specially crafted packets via the PAPI protocol. Successful exploitation of the…
- CVE-2021-26621CRITICALCVSS 8.1EG 9.82022-03-25
An Buffer Overflow vulnerability leading to remote code execution was discovered in MEX01. Remote attackers can use this vulnerability by using the property that the target program copies parameter values to memory through the strcpy() fun…
- CVE-2018-3892CRITICALCVSS 8.1EG 9.82018-11-02
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 al…
- CVE-2026-6730CRITICALCVSS 7.8EG 9.82026-09-23
IBM Concert 1.0.0 through 3.0.0 is vulnerable to a buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.
- CVE-2025-69720CRITICALCVSS 7.8EG 9.82026-03-19
The infocmp command-line tool in ncurses before 6.5-20251213 has a stack-based buffer overflow in analyze_string in progs/infocmp.c.
- CVE-2026-22184CRITICALCVSS 7.8EG 9.82026-01-07
zlib versions up to and including 1.3.1.2 include a global buffer overflow in the untgz utility located under contrib/untgz. The vulnerability is limited to the standalone demonstration utility and does not affect the core zlib compression…
- CVE-2024-23286CRITICALCVSS 7.8EG 9.82024-03-08
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 16.7.6 and iPadOS 16.7.6, iOS 17.4 and iPadOS 17.4, macOS Monterey 12.7.4, macOS Sonoma 14.4, macOS Ventura 13.6.5, tvOS 17.4, visionOS 1.1, wa…
- CVE-2020-22219CRITICALCVSS 7.8EG 9.82023-08-22
Buffer Overflow vulnerability in function bitwriter_grow_ in flac before 1.4.0 allows remote attackers to run arbitrary code via crafted input to the encoder.
- CVE-2022-22819CRITICALCVSS 7.8EG 9.82022-03-23
NXP LPC55S66JBD64, LPC55S66JBD100, LPC55S66JEV98, LPC55S69JBD64, LPC55S69JBD100, and LPC55S69JEV98 microcontrollers (ROM version 1B) have a buffer overflow in parsing SB2 updates before the signature is verified. This can allow an attacker…
- CVE-2021-30499CRITICALCVSS 7.8EG 9.82021-05-27
A flaw was found in libcaca. A buffer overflow of export.c in function export_troff might lead to memory corruption and other potential consequences.
- CVE-2018-0721CRITICALCVSS 7.7EG 9.82018-11-27
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; ver…
- CVE-2023-26076CRITICALCVSS 7.6EG 9.82023-03-13
An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. An intra-object overflow in the 5G SM message codec can occur due to in…
- CVE-2023-26075CRITICALCVSS 7.6EG 9.82023-03-10
An issue was discovered in Samsung Mobile Chipset and Baseband Modem Chipset for Exynos 850, Exynos 980, Exynos 1080, Exynos 1280, Exynos 2200, Exynos Modem 5123, Exynos Modem 5300, and Exynos Auto T5123. An intra-object overflow in the 5G…
- CVE-2025-14708CRITICALCVSS 7.5EG 9.82025-12-15
A weakness has been identified in Shiguangwu sgwbox N3 2.0.25. Affected by this vulnerability is an unknown functionality of the file /usr/sbin/http_eshell_server of the component WIREDCFGGET Interface. Executing manipulation of the argume…
- CVE-2025-63679CRITICALCVSS 7.5EG 9.82025-11-12
free5gc v4.1.0 and before is vulnerable to Buffer Overflow. When AMF receives an UplinkRANConfigurationTransfer NGAP message from a gNB, the AMF process crashes.
- CVE-2024-52949CRITICALCVSS 7.5EG 9.82024-12-16
iptraf-ng 1.2.1 has a stack-based buffer overflow. In src/ifaces.c, the strcpy function consistently fails to control the size, and it is consequently possible to overflow memory on the stack.
- CVE-2024-34252CRITICALCVSS 7.5EG 9.82024-05-06
wasm3 v0.5.0 was discovered to contain a global buffer overflow which leads to segmentation fault via the function "PreserveRegisterIfOccupied" in wasm3/source/m3_compile.c.
- CVE-2023-45871CRITICALCVSS 7.5EG 9.82023-10-15
An issue was discovered in drivers/net/ethernet/intel/igb/igb_main.c in the IGB driver in the Linux kernel before 6.5.3. A buffer size may not be adequate for frames larger than the MTU.
- CVE-2022-3602CRITICALCVSS 7.5EG 9.82022-11-01
A buffer overrun can be triggered in X.509 certificate verification, specifically in name constraint checking. Note that this occurs after certificate chain signature verification and requires either a CA to have signed the malicious certi…
- CVE-2022-48196CRITICALCVSS 7.4EG 9.82022-12-30
Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects RAX40 before 1.0.2.60, RAX35 before 1.0.2.60, R6400v2 before 1.0.4.122, R6700v3 before 1.0.4.122, R6900P before 1.3.3.152, R7000P before…
- CVE-2023-26110CRITICALCVSS 7.3EG 9.82023-03-09
All versions of the package node-bluetooth are vulnerable to Buffer Overflow via the findSerialPortChannel method due to improper user input length validation.
- CVE-2023-26109CRITICALCVSS 7.3EG 9.82023-03-09
All versions of the package node-bluetooth-serial-port are vulnerable to Buffer Overflow via the findSerialPortChannel method due to improper user input length validation.
- CVE-2022-25687CRITICALCVSS 7.3EG 9.82022-10-19
memory corruption in video due to buffer overflow while parsing asf clips in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Sna…
- CVE-2022-25688CRITICALCVSS 7.3EG 9.82022-09-16
Memory corruption in video due to buffer overflow while parsing ps video clips in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music…
- CVE-2022-25686CRITICALCVSS 7.3EG 9.82022-09-16
Memory corruption in video module due to buffer overflow while processing WAV file in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Wearables
- CVE-2022-25659CRITICALCVSS 7.3EG 9.82022-09-02
Memory corruption due to buffer overflow while parsing MKV clips with invalid bitmap size in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Vo…
- CVE-2022-25657CRITICALCVSS 7.3EG 9.82022-09-02
Memory corruption due to buffer overflow occurs while processing invalid MKV clip which has invalid seek header in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Weara…
- CVE-2022-27612CRITICALCVSS 7.3EG 9.82022-07-28
Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in cgi component in Synology Audio Station before 6.5.4-3367 allows remote attackers to execute arbitrary commands via unspecified vectors.
- CVE-2022-22087CRITICALCVSS 7.3EG 9.82022-06-14
memory corruption in video due to buffer overflow while parsing mkv clip with no codechecker in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon…
- CVE-2022-26640CRITICALCVSS 7.2EG 9.82022-03-28
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the minAddress parameter.
- CVE-2022-26639CRITICALCVSS 7.2EG 9.82022-03-28
TP-LINK TL-WR840N(ES)_V6.20 was discovered to contain a buffer overflow via the DNSServers parameter.
- CVE-2024-42642CRITICALCVSS 6.7EG 9.82024-09-04
Micron Crucial MX500 Series Solid State Drives M3CR046 is vulnerable to Buffer Overflow, which can be triggered by sending specially crafted ATA packets from the host to the drive controller. NOTE: The supplier states that this vulnerabili…
- CVE-2025-67189CRITICALCVSS 6.5EG 9.82026-02-03
A buffer overflow vulnerability exists in the setParentalRules interface of TOTOLINK A950RG V4.1.2cu.5204_B20210112. The urlKeyword parameter is not properly validated, and the function concatenates multiple user-controlled fields into a f…
- CVE-2020-35357CRITICALCVSS 6.5EG 9.82023-08-22
A buffer overflow can occur when calculating the quantile value using the Statistics Library of GSL (GNU Scientific Library), versions 2.5 and 2.6. Processing a maliciously crafted input data for gsl_stats_quantile_from_sorted_data of the …
- CVE-2021-45608CRITICALCVSS 6.5EG 9.82021-12-26
Certain D-Link, Edimax, NETGEAR, TP-Link, Tenda, and Western Digital devices are affected by an integer overflow by an unauthenticated attacker. Remote code execution from the WAN interface (TCP port 20005) cannot be ruled out; however, ex…
- CVE-2016-8620CRITICALCVSS 6.5EG 9.82018-08-01
The 'globbing' feature in curl before version 7.51.0 has a flaw that leads to integer overflow and out-of-bounds read via user controlled input.
- CVE-2025-69674CRITICALCVSS 6.4EG 9.82026-02-19
Buffer Overflow vulnerability in CDATA FD614GS3-R850 V3.2.7_P161006 (Build.0333.250211) allows an attacker to execute arbitrary code via the node_mac, node_opt, opt_param, and domainblk parameters of the mesh_node_config and domiainblk_con…
- CVE-2023-54328CRITICALCVSS 5.5EG 9.82026-01-13
AimOne Video Converter 2.04 Build 103 contains a buffer overflow vulnerability in its registration form that causes application crashes. Attackers can generate a 7000-byte payload to trigger the denial of service and potentially exploit th…
- CVE-2023-26966CRITICALCVSS 5.5EG 9.82023-06-29
libtiff 4.5.0 is vulnerable to Buffer Overflow in uv_encode() when libtiff reads a corrupted little-endian TIFF file and specifies the output to be big-endian.
- CVE-2023-25433CRITICALCVSS 5.5EG 9.82023-06-29
libtiff 4.5.0 is vulnerable to Buffer Overflow via /libtiff/tools/tiffcrop.c:8499. Incorrect updating of buffer size after rotateImage() in tiffcrop cause heap-buffer-overflow and SEGV.
- CVE-2015-10065CRITICALCVSS 5.5EG 9.82023-01-17
A vulnerability classified as critical was found in AenBleidd FiND. This vulnerability affects the function init_result of the file validator/my_validator.cpp. The manipulation leads to buffer overflow. The patch is identified as ee2eef34a…
- CVE-2022-3550CRITICALCVSS 5.5EG 9.82022-10-17
A vulnerability classified as critical was found in X.org Server. Affected by this vulnerability is the function _GetCountedString of the file xkb/xkb.c. The manipulation leads to buffer overflow. It is recommended to apply a patch to fix …
- CVE-2020-16232CRITICALCVSS 2.8EG 9.82022-03-18
In Yokogawa WideField3 R1.01 - R4.03, a buffer overflow could be caused when a user loads a maliciously crafted project file.
- CVE-2026-79863CRITICALCVSS 9.6EG 9.62026-10-22
Buffer overflow vulnerabilities in the affected interface of AOS-10 or AOS-8 could allow an unauthenticated adjacent attacker to execute arbitrary code by sending specially crafted data to the affected interface. Successful exploitation co…
- CVE-2026-79862CRITICALCVSS 9.6EG 9.62026-10-22
Buffer overflow vulnerabilities in the affected interface of AOS-10 or AOS-8 could allow an unauthenticated adjacent attacker to execute arbitrary code by sending specially crafted data to the affected interface. Successful exploitation co…
- CVE-2026-102693CRITICALCVSS 9.6EG 9.62026-10-16
RIOT is an open-source microcontroller operating system designed for Internet of Things devices and other embedded systems. Prior to 2026.04, the ATWINC15x0 driver's _atwinc15x0_sta_set_current_ssid function uses strcpy to copy an SSID wit…
- CVE-2026-76723CRITICALCVSS 9.6EG 9.62026-09-29
Buffer overflow vulnerabilities exist in the affected interface of HPE Networking Instant ON APS that could allow an unauthenticated adjacent attacker to achieve remote code execution. Successful exploitation could allow an attacker to exe…
- CVE-2026-87931CRITICALCVSS 9.6EG 9.62026-09-09
A vulnerability has been found in Behavioral Technology Group Pavlok Behavioral Conditioning Wearable up to 20260707. Impacted is an unknown function of the component Apple Notification Center Service Event Handler. The manipulation leads …
- CVE-2026-7321CRITICALCVSS 9.6EG 9.62026-04-28
Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.
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