CWE-120: Buffer Copy without Checking Size of Input (Classic Buffer Overflow), page 8
Filter
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.
What the weakness is: CWE-120 at MITRE
Ask an AI about CWE-120
ChatGPTClaudePerplexityGoogle AI Mode
Show the prompt
Explain CWE-120: Buffer Copy without Checking Size of Input and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/120.html and https://cve.bz/cve/cwe/120?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this weakness's id and public links.
- 6.9CVE-2018-25369EPSS 0.2%
Visual Ping 0.8.0.0 contains a buffer overflow vulnerability in input field handling that allows local attackers to crash the application by supplying oversized data. Attackers can inject malicious payloads exceeding 4108 bytes into the Ho…
- 6.9CVE-2018-25367EPSS 0.2%
NASA openVSP 3.16.1 contains a buffer overflow vulnerability that allows local attackers to crash the application by supplying an excessively long string in the geometry name field. Attackers can trigger a denial of service by pasting a 50…
- 8.6CVE-2018-25366EPSS 0.2%
CuteFTP 5.0 XP contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by injecting malicious payload into the Site Manager label field. Attackers can craft a payload exceeding 520 bytes that overwrit…
- 7.4CVE-2026-9443EPSS 0.6%
A security vulnerability has been detected in Edimax BR-6478AC 1.23. This vulnerability affects the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. The manipulation of the argument L2TPUserNa…
- 7.4CVE-2026-9442EPSS 0.6%
A weakness has been identified in Edimax BR-6478AC 1.23. This affects the function formiNICSiteSurvey of the file /goform/formiNICSiteSurvey of the component POST Request Handler. Executing a manipulation of the argument selSSID can lead t…
- 7.4CVE-2026-9403EPSS 0.4%
A vulnerability was determined in Edimax BR-6675nD 1.12. The impacted element is the function formWlSiteSurvey of the file /goform/formWlSiteSurvey of the component POST Request Handler. This manipulation of the argument selSSID causes buf…
- 7.4CVE-2026-9401EPSS 0.4%
A vulnerability has been found in Edimax BR-6675nD 1.12. Impacted is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. The manipulation of the argument pppUserName leads to buffer o…
- 7.4CVE-2026-9399EPSS 0.4%
A vulnerability was detected in Edimax BR-6675nD 1.12. This vulnerability affects the function formsetPPPoE of the file /goform/formsetPPPoE of the component POST Request Handler. Performing a manipulation of the argument pppUserName resul…
- 7.4CVE-2026-9393EPSS 0.4%
A vulnerability was found in H3C Magic B0 up to 100R002. This affects the function Edit_BasicSSID_5G of the file /goform/aspForm. Performing a manipulation of the argument param results in buffer overflow. The attack may be initiated remot…
- 7.4CVE-2026-9389EPSS 0.6%
A security vulnerability has been detected in Tenda F456 1.0.0.5. This affects the function frmL7ImForm of the file /goform/L7Im. The manipulation of the argument page leads to buffer overflow. The attack can be initiated remotely. The exp…
- 7.4CVE-2026-9382EPSS 0.5%
A flaw has been found in Edimax BR-6675nD 1.12. Affected by this issue is the function formPPTPSetup of the file /goform/formPPTPSetup of the component POST Request Handler. Executing a manipulation of the argument pptpUserName can lead to…
- 7.4CVE-2026-9381EPSS 0.4%
A vulnerability was detected in Edimax BR-6675nD 1.12. Affected by this vulnerability is the function formPPPoESetup of the file /goform/formPPPoESetup of the component POST Request Handler. Performing a manipulation of the argument pppUse…
- 7.4CVE-2026-9380EPSS 0.4%
A security vulnerability has been detected in Edimax BR-6675nD 1.12. Affected is the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. Such manipulation of the argument L2TPUserName leads to bu…
- 7.4CVE-2026-9360EPSS 0.4%
A security flaw has been discovered in Edimax EW-7438RPn 1.28a. Affected by this issue is the function formwlencrypt24g of the file /goform/formwlencrypt24g of the component POST Request Handler. The manipulation of the argument key1 resul…
- 7.4CVE-2026-9346EPSS 0.4%
A flaw has been found in Edimax EW-7438RPn up to 1.31. This impacts the function formWirelessTbl of the file /goform/formWirelessTbl of the component webs. Executing a manipulation of the argument submit-url can lead to buffer overflow. Th…
- 7.4CVE-2026-9345EPSS 0.5%
A vulnerability was detected in Edimax EW-7438RPn up to 1.31. This affects the function formWizSurvey of the file /goform/formWizSurvey of the component webs. Performing a manipulation of the argument ssid/manualssid/ip/mask/gateway result…
- 8.6CVE-2018-25356EPSS 0.2%
SIPp 3.6 and earlier contains a local buffer overflow vulnerability in command-line argument handling that allows local attackers to crash the application or execute arbitrary code. Attackers can trigger the vulnerability by supplying over…
- 8.6CVE-2018-25355EPSS 0.2%
Audiograbber 1.83 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting structured exception handling mechanisms. Attackers can craft malicious input in the Interpret or Album fields t…
- 8.6CVE-2018-25345EPSS 0.2%
10-Strike Network Scanner 3.0 contains a local buffer overflow vulnerability in the host name field that allows attackers to bypass SafeSEH protections and execute arbitrary code. Attackers can craft a malicious payload in the host name or…
- 7.4CVE-2026-9295EPSS 0.5%
A security flaw has been discovered in Edimax BR-6428NS 1.10. This affects the function formWirelessTbl of the file /goform/formWirelessTbl of the component POST Request Handler. Performing a manipulation of the argument vapurl results in …
- 7.4CVE-2026-9294EPSS 0.5%
A vulnerability was identified in Edimax BR-6428NS 1.10. The impacted element is the function formWanTcpipSetup of the file /goform/formWanTcpipSetup of the component POST Request Handler. Such manipulation of the argument pppUserName lead…
- 7.3CVE-2026-36228EPSS 0.4%
Buffer Overflow vulnerability in Easy Chat Server 3.1 allows a remote attacker to obtain sensitive information and execute arbitrary code via the chat message functionality
- 6.2CVE-2026-36189EPSS 0.1%
Buffer Overflow vulnerability in Uncrustify Project Affected v.Uncrustify_d-0.82.0-132-bcc41cbdc and Fixed in commit 68e67b9a1435a1bb173b106fedb4a4f510972bdc allows a local attacker to cause a denial of service via the check_template.cpp, …
- 7.1CVE-2026-32741EPSS 0.3%
libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.21.2 and below contain a heap buffer overflow in MaskImageCodec::decode_mask_image(). When decoding a HEIF file containing a mask image (mski), the function copies the …
- 7.4CVE-2026-8776EPSS 0.4%
A vulnerability has been found in Edimax BR-6428NS 1.10. This vulnerability affects the function formPPTPSetup of the file /goform/formPPTPSetup of the component POST Request Handler. Such manipulation of the argument pptpUserName leads to…
- 7.4CVE-2026-8775EPSS 0.6%
A flaw has been found in Edimax BR-6428NS 1.10. This affects the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. This manipulation of the argument L2TPUserName causes buffer overflow. It is p…
- 7.3CVE-2026-8764EPSS 0.5%
A security vulnerability has been detected in H3C Magic B3 up to 100R002. This affects the function UpdateWanParams of the file /goform/aspForm. Such manipulation of the argument param leads to buffer overflow. The attack may be performed …
- 8.6CVE-2018-25328EPSS 0.1%
VX Search 10.6.18 contains a local buffer overflow vulnerability that allows attackers to overwrite the instruction pointer by supplying an oversized string in the directory field. Attackers can craft a malicious input file containing 271 …
- 8.6CVE-2018-25323EPSS 0.1%
Allok AVI DivX MPEG to DVD Converter 2.6.1217 contains a structured exception handler buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious payload. Attackers can craft a text file wit…
- 6.9CVE-2020-37234EPSS 0.1%
Internet Download Manager 6.38.12 contains a buffer overflow vulnerability in the Scheduler component that allows local attackers to crash the application by supplying oversized input. Attackers can paste malicious data exceeding 5000 byte…
- 6.8CVE-2025-29944EPSS 0.1%
A buffer overflow vulnerability within AMD Sensor Fusion Hub Driver can allow a local attacker to write out of bounds, potentially resulting in denial of service or crash
- 6.9CVE-2025-0045EPSS 0.1%
Improper Input validation in the AMD Secure Processor (ASP) PCI driver may allow a local attacker to create a buffer overflow condition, potentially resulting in a crash or denial of service
- 8.8CVE-2026-6477EPSS 0.5%
Use of inherently dangerous function PQfn(..., result_is_int=0, ...) in PostgreSQL libpq lo_export(), lo_read(), lo_lseek64(), and lo_tell64() functions allows the server superuser to overwrite a client stack buffer with an arbitrarily-lar…
- 6.2CVE-2024-48519EPSS 0.1%
Buffer Overflow vulnerability in Ardupilot rover commit v.c56439b045162058df0ff136afea3081fcd06d38 allows a local attacker to cause a denial of service via the AP_InertialSensor_ADIS1647x.cpp, ArduRover, ADIS1647x Sensor component.
- 8.7CVE-2026-40067EPSS 0.3%
When a BIG-IP APM access policy is configured on a virtual server, undisclosed traffic can cause the apmd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- 5.6CVE-2025-29338EPSS 0.2%
NXP moal.ko Wi-Fi driver 5.1.7.10 FW version from v17.92.1.p149.43 To v17.92.1.p149.157 was discovered to contain a buffer overflow via the mod_para parameter in the woal_init_module_param function.
- 7.3CVE-2024-55045EPSS 0.3%
Firmament-Autopilot FMT-Firmware commit de5aec was discovered to contain a buffer overflow via the task_mavobc_entry function at /comm/task_comm.c.
- 9.3CVE-2026-20794EPSS 0.1%
Buffer overflow for the Intel(R) Data Center Graphics Driver for VMware ESXi software before version 2.0.2 within Ring 1: Device Drivers may allow an escalation of privilege. System software adversary with a privileged user combined with a…
- 6.9CVE-2026-20782EPSS 0.1%
Buffer overflow for some Intel(R) QAT software drivers for Windows before version 1.13 within Ring 3: User Applications may allow a denial of service. Unprivileged software adversary with an authenticated user combined with a low complexit…
- 7.5CVE-2026-7287EPSS 0.3%Unsupported when assigned
A buffer overflow vulnerability in the formWep(), formWlAc(), formPasswordSetup(), formUpgradeCert(), and formDelcert() functions of the “webs” binary in Zyxel NWA1100-N customized firmware version 1.00(AACE.1)C0 could allow an attacker to…
- 7.5CVE-2026-43658EPSS 0.3%
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted w…
- 4.3CVE-2026-39869EPSS 0.3%
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Proc…
- 7.5CVE-2026-28959EPSS 0.6%
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26…
- 8.8CVE-2026-28955EPSS 0.7%
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web…
- 7.5CVE-2026-28953EPSS 0.4%
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web…
- 7.5CVE-2026-28925EPSS 0.4%
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. An app may be able to cause unexpected system termination or write kernel memory.
- 7.5CVE-2026-28905EPSS 0.4%
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5. Processing maliciously crafted web content may lead to an unexpected process c…
- 7.5CVE-2026-28904EPSS 0.4%
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web…
- 6.5CVE-2026-28903EPSS 0.4%
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web…
- 6.5CVE-2026-28902EPSS 0.4%
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpe…