Fallos del tipo CWE-787

5202 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-2023-48626HIGHAdobe Substance 3D Sampler v4.2.1Build3527 OOBW Vulnerability VEPSS 0.3%CVE-2023-48625HIGHAdobe Substance 3D Sampler v4.2.1Build3527 OOBW Vulnerability VIEPSS 0.3%CVE-2023-47041HIGHZDI-CAN-21697: Adobe Media Encoder MP4 File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.3%CVE-2022-33234HIGHMemory corruption in video due to configuration weakness. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon ConsumEPSS 0.3%CVE-2023-31908HIGHJerryscript 3.0 (commit 05dbbd1) was discovered to contain a heap-buffer-overflow via the component ecma_builtin_typedarray_prototype_sort.EPSS 0.3%CVE-2023-21582HIGHZDI-CAN-18255: Adobe Digital Editions PDF File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.3%CVE-2025-0677MEDIUMGrub2: ufs: integer overflow may lead to heap based out-of-bounds write when handling symlinksEPSS 0.3%CVE-2026-24793CRITICALA heap-based buffer over-read or buffer overflow vulnerability in azerothcore/azerothcore-wotlkEPSS 0.3%CVE-2026-90949HIGHGimp: gimp: heap-based buffer overflow in psp loader due to selection-channel geometry mismatchEPSS 0.3%CVE-2026-42046HIGHlibcaca: Heap OOB write in canvas import functions caused by int overflowEPSS 0.3%CVE-2023-31907HIGHJerryscript 3.0.0 was discovered to contain a heap-buffer-overflow via the component scanner_literal_is_created at /jerry-core/parser/js/js-EPSS 0.3%CVE-2022-35080MEDIUMSWFTools commit 772e55a2 was discovered to contain a heap-buffer overflow via png_load at /lib/png.c.EPSS 0.3%CVE-2026-16825MEDIUMVulnerabilities in IBM AIX and PowerVM VIOSEPSS 0.3%CVE-2024-58099HIGHvmxnet3: Fix packet corruption in vmxnet3_xdp_xmit_frameEPSS 0.3%CVE-2022-43281HIGHwasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocator<wabt::Type>>::size() EPSS 0.3%CVE-2022-35081MEDIUMSWFTools commit 772e55a2 was discovered to contain a heap-buffer overflow via png_read_header at /src/png2swf.c.EPSS 0.3%CVE-2024-7137MEDIUMDenial of Service in Silicon Labs RS9116 Bluetooth SDKEPSS 0.3%CVE-2025-5272HIGHMemory safety bugs fixed in Firefox 139 and Thunderbird 139EPSS 0.3%CVE-2024-12178HIGHDWFX File Parsing Vulnerabilities in Autodesk Navisworks Desktop SoftwareEPSS 0.3%CVE-2026-31789MEDIUMHeap Buffer Overflow in Hexadecimal ConversionEPSS 0.3%