Weaknesses of type CWE-787

5,843 results

Escrita fora dos limites da memória

Ocorre quando o código escreve dados em um endereço de memória fora do intervalo alocado para uma estrutura (array, buffer, objeto). O programa não valida o tamanho ou índice antes de escrever, permitindo sobrescrever memória adjacente — causando corrupção de dados, queda da aplicação ou execução arbitrária de código.

Example

Um formulário web que copia o valor de um campo do usuário para um buffer de 64 bytes sem verificar o comprimento: se o atacante enviar 200 caracteres, a escrita invade a memória vizinha e pode sobrescrever um ponteiro de função ou variável crítica.

How to mitigate

Sempre validar tamanhos de entrada antes de copiar (usar `strncpy` em vez de `strcpy`, ou bibliotecas seguras como `bounds-checking`); usar linguagens com verificação automática de limites (Java, Rust); aplicar testes de fuzzing e análise estática de código para detectar escritas desprotegidas.

CVE-2023-28445CRITICALDeno improperly handles resizable ArrayBufferEPSS 1.0%CVE-2025-26508HIGHCertain HP LaserJet Pro, HP LaserJet Enterprise, HP LaserJet Managed Printers – Potential Remote Code Execution and Potential Elevation of PrivilegeEPSS 1.0%CVE-2021-33002—Opening a maliciously crafted project file may cause an out-of-bounds write, which may allow an attacker to execute arbitrary code. User intEPSS 1.0%CVE-2021-38419HIGHFuji Electric Tellus Lite V-Simulator out of bounds writeEPSS 1.0%CVE-2026-85746CRITICALMariaDB: Out-of-bound buffer write on in `ST_AsText` of nested GeometryCollectionsEPSS 1.0%CVE-2021-38426HIGHFATEK Automation WinProladderEPSS 1.0%CVE-2021-42707HIGHWECON PLC EditorEPSS 1.0%CVE-2021-34569CRITICALWAGO I/O-Check Service prone to Out-of-bounds WriteEPSS 1.0%CVE-2025-24273CRITICALAn out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.4, macOS Sonoma 14.7.5, maEPSS 1.0%CVE-2024-54508MEDIUMThe issue was addressed with improved memory handling. This issue is fixed in Safari 18.2, iOS 18.2 and iPadOS 18.2, iPadOS 17.7.6, macOS SeEPSS 1.0%CVE-2022-41175—Due to lack of proper memory management, when a victim opens a manipulated Enhanced Metafile (.emf, emf.x3d) file received from untrusted soEPSS 1.0%CVE-2023-25233CRITICALTenda AC500 V2.0.1.9(1307) is vulnerable to Buffer Overflow in function fromRouteStatic via parameters entrys and mitInterface.EPSS 1.0%CVE-2023-25231CRITICALTenda Router W30E V1.0.1.25(633) is vulnerable to Buffer Overflow in function fromRouteStatic via parameters entrys and mitInterface.EPSS 1.0%CVE-2024-44244MEDIUMA memory corruption issue was addressed with improved input validation. This issue is fixed in Safari 18.1, iOS 18.1 and iPadOS 18.1, macOS EPSS 1.0%CVE-2025-62164HIGHVLLM deserialization vulnerability leading to DoS and potential RCEEPSS 1.0%CVE-2022-3052HIGHHeap buffer overflow in Window Manager in Google Chrome on Chrome OS, Lacros prior to 105.0.5195.52 allowed a remote attacker who convinced EPSS 1.0%CVE-2022-26761HIGHA memory corruption issue was addressed with improved memory handling. This issue is fixed in Security Update 2022-004 Catalina, macOS Big SEPSS 1.0%CVE-2023-25218CRITICALTenda AC5 US_AC5V1.0RTL_V15.03.06.28 was discovered to contain a stack overflow via the form_fast_setting_wifi_set function. This vulnerabilEPSS 1.0%CVE-2021-26252—A flaw was found in htmldoc in v1.9.12. Heap buffer overflow in pspdf_prepare_page(),in ps-pdf.cxx may lead to execute arbitrary code and deEPSS 1.0%CVE-2023-25220CRITICALTenda AC5 US_AC5V1.0RTL_V15.03.06.28 was discovered to contain a stack overflow via the add_white_node function. This vulnerability allows aEPSS 1.0%