Fallos del tipo CWE-787

5212 resultados

Escrita fora dos limites de memória

Ocorre quando um programa escreve dados em uma posição de memória fora do intervalo alocado para um buffer, array ou estrutura. O atacante aproveita para sobrescrever dados adjacentes (variáveis, ponteiros, pilha de retorno), alterando o comportamento da aplicação ou assumindo controle total do sistema.

Ejemplo

Um programa lê 256 bytes de entrada do usuário e copia para um buffer de 64 bytes sem validação. O atacante envia 300 bytes, que transbordam o buffer e sobrescrevem o endereço de retorno na pilha, permitindo execução de código arbitrário.

Cómo mitigar

Sempre validar tamanho de entrada contra o limite do buffer antes de copiar (usar strncpy, snprintf em vez de strcpy, sprintf). Em linguagens modernas, usar estruturas bounds-checked (Rust, C# arrays) ou linters que detectem padrões perigosos.

CVE-2025-54273HIGHSubstance3D - Viewer | Out-of-bounds Write (CWE-787)EPSS 0.2%CVE-2026-8325HIGHPDF File Parsing Out-of-Bounds Write Vulnerability in Certain Autodesk Desktop ProductsEPSS 0.2%CVE-2022-48181MEDIUMAn ErrorMessage driver stack-based buffer overflow vulnerability in BIOS of some ThinkPad models could allow an attacker with local access tEPSS 0.2%CVE-2026-8454MEDIUMImager::File::GIF versions through 1.002 for Perl allow a heap out of bounds (OOB) write on crafted multi-frame GIF filesEPSS 0.2%CVE-2024-8894HIGHOut-of-bounds Write vulnerability in ODA SDK versions < 2025.10EPSS 0.2%CVE-2025-54280HIGHSubstance3D - Viewer | Out-of-bounds Write (CWE-787)EPSS 0.2%CVE-2022-48188MEDIUMA buffer overflow vulnerability in the SecureBootDXE BIOS driver of some Lenovo Desktop and ThinkStation models could allow an attacker withEPSS 0.2%CVE-2018-25214MEDIUMMegaPing Local Buffer Overflow Denial of ServiceEPSS 0.2%CVE-2026-7451HIGHTIF File Parsing Out-of-Bounds Write in Autodesk 3ds MaxEPSS 0.2%CVE-2025-49569HIGHSubstance3D - Viewer | Out-of-bounds Write (CWE-787)EPSS 0.2%CVE-2026-7455HIGHFLT File Parsing Out-of-Bounds Write Vulnerability in Autodesk 3ds MaxEPSS 0.2%CVE-2026-41989MEDIUMLibgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.EPSS 0.2%CVE-2026-81627HIGHQemu-kvm: vapic writable rom alias can escape the option-rom window and expose locked smramEPSS 0.2%CVE-2026-47876CRITICALVMXNET3 out-of-bounds write vulnerabilityEPSS 0.2%CVE-2019-25554MEDIUMTomabo MP4 Converter 3.25.22 Denial of Service via Name FieldEPSS 0.2%CVE-2026-3094HIGHFile Parsing Out-Of-Bounds Write in CNCSoft-G2EPSS 0.2%CVE-2023-5180HIGHOut-of-bounds Write vulnerability exists in ODA Drawings SDK before 2024.12EPSS 0.2%CVE-2026-30979HIGHiccDEV has a heap-based buffer overflow in CIccCalculatorFunc::InitSelectOp()EPSS 0.2%CVE-2026-40489HIGHeditorconfig-core-c has incomplete fix for CVE-2023-0341EPSS 0.2%CVE-2019-25667MEDIUMTaskInfo 8.2.0.280 Denial of Service Buffer OverflowEPSS 0.2%