CWE-120 · Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

4494 CVEs classified under CWE-120 (Buffer Copy without Checking Size of Input (Classic Buffer Overflow)). Browse by severity and year.

Top CVEs for CWE-120
CVESeverityScorePublishedSummary
CVE-2026-93741Critical10.02026-09-19A security flaw has been discovered in Totolink A3002MU Hh-B20211125.1046. Affected by this vulnerability is the function formWlWds of the file /boafrm/formWlW…
CVE-2026-93740Critical10.02026-09-18A vulnerability was identified in Totolink A3002MU Hh-B20211125.1046. Affected is the function formWlEncrypt of the file /boafrm/formWlEncrypt. The manipulatio…
CVE-2026-44756Critical10.02026-09-08A memory safety vulnerability exists in the Extended Passport Protocol (EPP) processing library. Under specific conditions, an unauthenticated attacker could e…
CVE-2026-82542Critical10.02026-08-30A weakness has been identified in Tenda HG10 300001138. Affected by this issue is the function formIPv6Routing of the file /boaform/admin/formIPv6Routing of th…
CVE-2026-4689Critical10.02026-03-24Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34…
CVE-2025-48611Critical10.02026-03-10In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead to local escalation of privilege with no…
CVE-2024-36290Critical10.02025-01-14A buffer overflow vulnerability exists in the login.cgi Goto_chidx() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can l…
CVE-2024-25139Critical10.02024-03-14In TP-Link Omada er605 1.0.1 through (v2.6) 2.2.3, a cloud-brd binary is susceptible to an integer overflow that leads to a heap-based buffer overflow. After h…
CVE-2024-22039Critical10.02024-03-12A vulnerability has been identified in Cerberus PRO EN Engineering Tool (All versions < IP8), Cerberus PRO EN Fire Panel FC72x IP6 (All versions < IP6 SR3), Ce…
CVE-2024-23621Critical10.02024-01-26A buffer overflow exists in IBM Merge Healthcare eFilm Workstation license server. A remote, unauthenticated attacker can exploit this vulnerability to achieve…
CVE-2024-23616Critical10.02024-01-26A buffer overflow vulnerability exists in Symantec Server Management Suite version 7.9 and before. A remote, anonymous attacker can exploit this vulnerability…
CVE-2024-23615Critical10.02024-01-26A buffer overflow vulnerability exists in Symantec Messaging Gateway versions 10.5 and before. A remote, anonymous attacker can exploit this vulnerability to a…
CVE-2024-23614Critical10.02024-01-26A buffer overflow vulnerability exists in Symantec Messaging Gateway versions 9.5 and before. A remote, anonymous attacker can exploit this vulnerability to ac…
CVE-2024-23613Critical10.02024-01-26A buffer overflow vulnerability exists in Symantec Deployment Solution version 7.9 when parsing UpdateComputer tokens. A remote, anonymous attacker can exploit…
CVE-2023-1424Critical10.02023-05-24Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU modules and MELS…
CVE-2021-33975Critical10.02023-04-19Buffer Overflow vulnerability in Qihoo 360 Total Security v10.8.0.1060 and v10.8.0.1213 allows attacker to escalate privileges.
CVE-2021-33972Critical10.02023-04-19Buffer Overflow vulnerability in Qihoo 360 Safe Browser v13.0.2170.0 allows attacker to escalate priveleges.
CVE-2023-24482Critical10.02023-02-14A vulnerability has been identified in COMOS V10.2 (All versions), COMOS V10.3.3.1 (All versions < V10.3.3.1.45), COMOS V10.3.3.2 (All versions < V10.3.3.2.33)…
CVE-2022-32548Critical10.02022-08-29An issue was discovered on certain DrayTek Vigor routers before July 2022 such as the Vigor3910 before 4.3.1.1. /cgi-bin/wlogin.cgi has a buffer overflow via t…
CVE-2022-22683Critical10.02022-07-28Buffer copy without checking size of input ('Classic Buffer Overflow') vulnerability in cgi component in Synology Media Server before 1.8.1-2876 allows remote…
All CVEs classified under CWE-120 — newest first (page 1 of 45)
CVESeverityScorePublishedSummary
CVE-2026-103227Medium6.32026-09-30A weakness has been identified in GPAC up to 26.07.0. Affected by this issue is the function gf_dash_resolve_url of the file src/media_tools/dash_client.c of t…
CVE-2026-814332026-09-30A stack-based buffer overflow vulnerability in WatchGuard Fireware OS's DHCP fingerprinting daemon (fingerd) allows an unauthenticated attacker with adjacent n…
CVE-2026-76723Critical9.62026-09-29Buffer overflow vulnerabilities exist in the affected interface of HPE Networking Instant ON APS that could allow an unauthenticated adjacent attacker to achie…
CVE-2026-102296Medium6.52026-09-28ZoneMinder before 1.38.4 contains static buffer overflow vulnerabilities in RemoteCameraHttp::GetResponse() that allow malicious HTTP cameras or intercepting a…
CVE-2026-88775Critical9.82026-09-27Memory overflow vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-…
CVE-2026-6730Critical9.82026-09-23IBM 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 arbi…
CVE-2026-88409High8.82026-09-21FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a buffer overflow in the _Decode_GrB_Matrix function (/v19/decode_matrix.c). This vulnerab…
CVE-2026-94101Critical9.92026-09-21A security vulnerability has been detected in Netcore NBR200V2 1.3.241127.071246. The affected element is the function vlan_load_form_uci of the file /usr/bin/…
CVE-2026-94100Critical9.92026-09-21A weakness has been identified in Netcore NBR200V2 1.3.241127.071246. Impacted is the function wan_config_set_vlan of the file /usr/bin/routerd of the componen…
CVE-2026-93741Critical10.02026-09-19A security flaw has been discovered in Totolink A3002MU Hh-B20211125.1046. Affected by this vulnerability is the function formWlWds of the file /boafrm/formWlW…
CVE-2026-93740Critical10.02026-09-18A vulnerability was identified in Totolink A3002MU Hh-B20211125.1046. Affected is the function formWlEncrypt of the file /boafrm/formWlEncrypt. The manipulatio…
CVE-2026-93739Critical9.92026-09-18A vulnerability was determined in Totolink A3002MU Hh-B20211125.1046. This impacts the function formWlAc of the file /boafrm/formWlAc. Executing a manipulation…
CVE-2026-93738Critical9.92026-09-18A vulnerability was found in Totolink A3002MU Hh-B20211125.1046. This affects the function formSchedule of the file /boafrm/formSchedule. Performing a manipula…
CVE-2026-76705Medium5.52026-09-15A buffer overflow vulnerability exists in the API endpoint of HPE Networking EdgeConnect SD-WAN Gateways. Successful exploitation could allow an authenticated…
CVE-2026-76703Medium5.52026-09-15A buffer overflow vulnerability exists in the web-based management interface of HPE Networking EdgeConnect SD-WAN Gateways that could allow an authenticated at…
CVE-2026-76699Medium6.42026-09-15A buffer overflow vulnerability exists in a system service within the underlying operating system of HPE Networking EdgeConnect SD-WAN Gateways that could allo…
CVE-2026-76695Medium6.52026-09-15Buffer overflow vulnerabilities exist in the underlying operating system of HPE Networking EdgeConnect SD-WAN Gateways that could allow an unauthenticated remo…
CVE-2026-76691High7.22026-09-15Buffer overflow vulnerabilities exist in the API endpoint of HPE Networking EdgeConnect SD-WAN Gateways. Successful exploitation could allow an authenticated r…
CVE-2026-76683High8.12026-09-15Buffer overflow vulnerabilities exist in the API endpoint of HPE Networking EdgeConnect SD-WAN Gateways that could allow an unauthenticated remote attacker to…
CVE-2026-76682High8.22026-09-15A vulnerability in the network security monitoring component of intrusion detection systems could allow an unauthenticated remote attacker to exploit a limited…
CVE-2026-76674Critical9.82026-09-15Buffer overflow vulnerabilities exist in the underlying operating system of HPE Networking EdgeConnect SD-WAN Gateways that could allow an unauthenticated remo…
CVE-2026-58710High8.82026-09-15In DecodeFilmGrainParams of film_grain_dec.cc, there is a possible out-of-bounds write due to a missing bounds check. This could lead to remote code execution…
CVE-2026-58695High7.82026-09-15In gmc_phy_lp3_exit_restore_registers of phy_power.c, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escal…
CVE-2026-56978High8.42026-09-15In get_global_config_item_addr of gc.c, there is a possible out-of-bounds read due to a missing bounds check. This could lead to local escalation of privilege…
CVE-2026-56892Medium6.22026-09-15In ReadDataElement of common.c, there is a possible information disclosure due to an incorrect bounds check. This could lead to local information disclosure wi…
CVE-2026-55343High8.02026-09-15In decodeAmr of ImsMediaAudioPlayer.cpp, there is a possible out-of-bounds write due to a missing bounds check. This could lead to remote code execution with n…
CVE-2026-55331High8.82026-09-15In IP Multimedia Subsystem, there is a possible out-of-bounds write due to an incorrect bounds check. This could lead to remote code execution with no addition…
CVE-2026-55301High8.42026-09-15In Wave6VpuDecFlush of wave6.c, there is a possible out-of-bounds write due to a missing bounds check. This could lead to local escalation of privilege with no…
CVE-2026-0177Medium4.42026-09-15In do_sss_aes_gcm_256_op of crypto-aes.c, there is a possible out-of-bounds read due to a missing bounds check. This could lead to local information disclosure…
CVE-2026-91953Medium6.52026-09-15FreeRDP versions before 3.31.0 contain a heap buffer overflow vulnerability in nego_send_negotiation_request() that fails to validate the LB_LOAD_BALANCE_INFO…
CVE-2026-92043High8.82026-09-15Privilege escalation due to incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunder…
CVE-2026-92020High8.82026-09-15Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41…
CVE-2026-92014High8.82026-09-15Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 115.41, Firefox ESR 140.16, an…
CVE-2026-92013High8.82026-09-15Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115…
CVE-2026-92012High8.82026-09-15Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115…
CVE-2026-92011High8.82026-09-15Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115…
CVE-2026-92010High8.82026-09-15Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115…
CVE-2026-92009High8.82026-09-15Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115…
CVE-2026-92008High8.82026-09-15Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115…
CVE-2026-92007High8.82026-09-15Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115…
CVE-2026-92006High8.82026-09-15Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115…
CVE-2026-84632High7.32026-09-14The issue was addressed with improved memory handling. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequo…
CVE-2026-84609Critical9.82026-09-14A permissions issue was addressed with improved path validation. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS T…
CVE-2026-84581High8.42026-09-14A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a ma…
CVE-2026-84577High8.22026-09-14An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Golden Gate 27, macOS Tahoe 26.7. An app may be able to bypass…
CVE-2026-84571Medium4.32026-09-14A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS 27, watchOS…
CVE-2026-84520Critical9.82026-09-14A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27. A local attacker may be able to cause unexpected sy…
CVE-2026-84512High8.82026-09-14A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a ma…
CVE-2026-84497High7.82026-09-14A buffer overflow was addressed with improved size validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, mac…
CVE-2026-84489Medium5.52026-09-14A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 27 and iPadOS 27, macOS Golden Gate 2…
CVE-2026-65398High7.82026-09-14An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in iOS 27 and iPadOS 27, macOS Golden Gate 27, tvOS 27, visionOS…
CVE-2026-65357High7.82026-09-14The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26…
CVE-2026-28934Medium6.52026-09-14A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Mounting a ma…
CVE-2026-55209Critical9.82026-09-14resdata is software for reading and writing result files from the Eclipse reservoir simulator. Prior to 6.2.9, resdata insufficiently validates numeric fields…
CVE-2026-90804Medium4.82026-09-14A vulnerability was detected in GNU Binutils 2.47. Affected by this issue is the function _bfd_elf_write_section_eh_frame of the file bfd/elf-eh-frame.c of the…
CVE-2026-90803Medium5.32026-09-14A security vulnerability has been detected in GNU Binutils 2.47. Affected by this vulnerability is the function elf_x86_64_relocate_section of the file bfd/elf…
CVE-2026-90801Medium5.32026-09-14A security flaw has been discovered in GNU Binutils 2.47. This impacts the function cache_bwrite of the file bfd/cache.c of the component ld. The manipulation…
CVE-2026-82772High8.82026-09-14Buffer overflow vulnerability exists in Contec EC1000 series. If a remote attacker sends a specially crafted request to the product's web service, an arbitrary…
CVE-2026-82770High8.82026-09-14Buffer overflow vulnerability exists in Contec RP-WAH-SR Series. If a remote attacker sends a specially crafted request to the product's web service, an arbitr…
CVE-2026-167262026-09-14Buffer overflow vulnerability in Panasonic Industry USB Driver for MINAS A5/A6 allows  attackers  to stop Windows.
CVE-2023-24291Low2.92026-09-14Portable Puzzle Collection before 20230116.5782e29 was discovered to contain a buffer overflow via the record length parameter.
CVE-2023-24287Low2.92026-09-14Portable Puzzle Collection before 20230116.5782e29 was discovered to contain a buffer overflow via the "M" command.
CVE-2023-24286Low2.92026-09-14Portable Puzzle Collection before 20230116.5782e29 was discovered to contain a buffer overflow via the game description parameter.
CVE-2023-24285Low2.92026-09-14Portable Puzzle Collection before 20230116.5782e29 was discovered to contain a buffer overflow which is triggered when an unusually long move is executed.
CVE-2023-24284Low2.92026-09-14Portable Puzzle Collection before 20230116.5782e29 was discovered to contain a buffer overflow via the is_markable() function.
CVE-2023-24283Low2.92026-09-14Portable Puzzle Collection before 20230116.5782e29 was discovered to contain a buffer overflow which allows attackers to cause a Denial of Service (DoS) via a…
CVE-2026-90608Critical9.92026-09-14A flaw has been found in Totolink A3002MU Hh-B20211125.1046. The affected element is the function formPortFw of the file /boafrm/formPortFw of the component bo…
CVE-2026-90607Critical9.92026-09-14A vulnerability was detected in Totolink A3002MU Hh-B20211125.1046. Impacted is the function formNewSchedule of the file /boafrm/formNewSchedule of the compone…
CVE-2026-90606Critical9.92026-09-14A security vulnerability has been detected in Totolink A3002MU Hh-B20211125.1046. This issue affects the function formIpv6Setup of the file /boafrm/formIpv6Set…
CVE-2026-90605Critical9.92026-09-14A weakness has been identified in Totolink A3002MU Hh-B20211125.1046. This vulnerability affects the function formFilter of the file /boafrm/formFilter of the…
CVE-2026-90780High7.52026-09-13SIPp through 3.7.7 contains a buffer overflow vulnerability in the get_header() function in src/sip_parser.cpp when processing SIP messages with header content…
CVE-2026-90778High7.52026-09-13SIPp through 3.7.7 contains a buffer overflow vulnerability in get_peer_tag() function when processing SIP To headers with tag parameters of 2049 bytes or more…
CVE-2026-484902026-09-11ArduinoCore-avr contains the source code and configuration files of the Arduino AVR Boards platform. A vulnerability in versions prior to 1.8.8 allows an attac…
CVE-2026-42808Medium6.82026-09-10An issue was discovered in Bosch Sensortec COINES_SDK versions 2.0 through 2.11.  The host streaming API function {{coines_read_stream_sensor_data()}} fails…
CVE-2026-87931Critical9.62026-09-10A vulnerability has been found in Behavioral Technology Group Pavlok Behavioral Conditioning Wearable up to 20260707. Impacted is an unknown function of the co…
CVE-2026-71613High7.82026-09-09Buffer Overflow vulnerability in GPAC c2dee3aff638cd96f9617ac5b17dc2868cd90ef3 allows an attacker to execute arbitrary code via the j2kdec_process() function…
CVE-2026-71612High8.42026-09-09Buffer Overflow vulnerability in GPAC c2dee3aff638cd96f9617ac5b17dc2868cd90ef3 allows an attacker to execute arbitrary code via the nhntdmx_process() function…
CVE-2026-58839High7.82026-09-08In forEachLine of MountRegistry.cpp, there is a possible out of bounds read due to a buffer overflow. This could lead to local escalation of privilege with no…
CVE-2026-58823High7.82026-09-08In stpropnci_process_std of stpropnci_std.cc, there is a possible memory safety issue due to a missing bounds check. This could lead to local escalation of pri…
CVE-2026-55290Low3.32026-09-08In setTo of ResourceTypes.cpp, there is a possible out-of-bounds heap read due to a missing bounds check. This could lead to local information disclosure with…
CVE-2026-55285High7.82026-09-08In openLogicalChannel of multiple files, there is a possible out-of-bounds write due to a missing bounds check. This could lead to local escalation of privileg…
CVE-2026-55277High8.02026-09-08In checkUiccListenConfigNeeded of RoutingManager.cpp, there is a possible out of bounds write due to a missing bounds check. This could lead to remote (proxima…
CVE-2026-49895Low3.52026-09-08In get_eht_operation_channel_width of ieee802_11_common.c, there is a possible out of bounds read due to an incorrect bounds check. This could lead to remote (…
CVE-2026-49884High7.82026-09-08In rw_mfc_handle_read_op of rw_mfc.cc, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privile…
CVE-2026-44756Critical10.02026-09-08A memory safety vulnerability exists in the Extended Passport Protocol (EPP) processing library. Under specific conditions, an unauthenticated attacker could e…
CVE-2026-86166High8.82026-09-06A vulnerability was determined in Tenda HG10 300001138. This issue affects the function formWanRedirect of the file /boaform/formWanRedirect of the component B…
CVE-2026-86165Critical9.82026-09-06A vulnerability was found in Tenda HG10 300001138. This vulnerability affects the function formURL of the file /boaform/admin/formURL. Performing a manipulatio…
CVE-2026-75438High7.52026-09-04Buffer Overflow vulnerability in Open5GS v2.7.7 allows a remote attacker to cause a denial of service via the ogs_sbi_time_parse() function
CVE-2026-85110High8.82026-09-03A vulnerability was identified in Tenda HG10 300001138. Impacted is the function formWlanSetup of the file /boaform/formWlanSetup of the component Boa Web Serv…
CVE-2026-85109Critical9.82026-09-03A vulnerability was determined in Tenda HG10 300001138. This issue affects the function formLogin of the file /boaform/formLogin of the component Boa Web Serve…
CVE-2026-85031Critical9.92026-09-03A vulnerability was found in TOTOLINK CP450 4.1.0. The impacted element is an unknown function of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of t…
CVE-2021-43614Medium6.72026-09-03Error in handling the PlatformLangCodes UEFI variable could cause a buffer overflow, leading to resource exhaustion and failure.
CVE-2026-73774High7.62026-09-01A buffer overflow vulnerability exists in the underlying operating system of AOS-CX that could lead to unauthenticated disclosure of sensitive information by s…
CVE-2026-73772Medium6.52026-09-01Buffer overflow vulnerabilities exist in an underlying service of AOS-CX that could lead to an unauthenticated denial-of-service condition by sending specially…
CVE-2026-52295Low2.92026-09-01FFmpeg before 9.0 has an out-of-bounds read because the copied extradata lacked required padding before GetBitContext-based access in libavformat/iamf_writer.c.
CVE-2026-51934Critical9.82026-09-01Buffer Overflow vulnerability in Shenzhen Jixiang Tengda Technology Co., Ltd. Tenda A18 v.15.13.07.09 allows a remote attacker to execute arbitrary code via th…
CVE-2026-96252026-09-01A denial-of-service security issue exists within RSLinx® Classic. A crafted CIP packet with an oversized embedded message request can cause the RSLinx® Classic…
CVE-2026-84126Medium4.32026-09-01Incorrect boundary conditions in the Layout: Grid component. This vulnerability was fixed in Firefox 155 and Thunderbird 155.
CVE-2026-83596High8.82026-08-31A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to improper memory handling.
CVE-2026-82542Critical10.02026-08-30A weakness has been identified in Tenda HG10 300001138. Affected by this issue is the function formIPv6Routing of the file /boaform/admin/formIPv6Routing of th…