Weaknesses of type CWE-787

5,180 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-2023-34270HIGHFatek Automation FvDesigner FPJ File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2022-42940HIGHA malicious crafted TGA file when consumed through DesignReview.exe application could lead to memory corruption vulnerability. This vulnerabEPSS 0.4%CVE-2022-41844MEDIUMAn issue was discovered in Xpdf 4.04. There is a crash in XRef::fetch(int, int, Object*, int) in xpdf/XRef.cc, a different vulnerability thaEPSS 0.4%CVE-2022-42936HIGHA malicious crafted .dwf or .pct file when consumed through DesignReview.exe application could lead to memory corruption vulnerability by wrEPSS 0.4%CVE-2022-42942HIGHA malicious crafted dwf or .pct file when consumed through DesignReview.exe application could lead to memory corruption vulnerability by reaEPSS 0.4%CVE-2023-34269HIGHFatek Automation FvDesigner FPJ File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2023-34265HIGHFatek Automation FvDesigner FPJ File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2022-42943HIGHA malicious crafted dwf or .pct file when consumed through DesignReview.exe application could lead to memory corruption vulnerability by reaEPSS 0.4%CVE-2023-34273HIGHFatek Automation FvDesigner FPJ File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2023-34267HIGHFatek Automation FvDesigner FPJ File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2022-42939HIGHA malicious crafted TGA file when consumed through DesignReview.exe application could lead to memory corruption vulnerability. This vulnerabEPSS 0.4%CVE-2022-42944HIGHA malicious crafted dwf or .pct file when consumed through DesignReview.exe application could lead to memory corruption vulnerability by reaEPSS 0.4%CVE-2025-32402HIGHAn Out-of-bounds Write in RT-Labs P-Net version 1.0.1 or earlier allows an attacker to induce a crash in IO devices that use the library by EPSS 0.4%CVE-2026-54240HIGHlibde265: Pixel accessor signed integer overflow causes heap OOB read/writeEPSS 0.4%CVE-2024-11550HIGHIrfanView DXF File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2026-17120MEDIUMVulnerabilities in IBM AIX and PowerVM VIOSEPSS 0.4%CVE-2024-11546HIGHIrfanView DXF File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2024-11549HIGHIrfanView DXF File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2024-11554HIGHIrfanView DWG File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2024-11520HIGHIrfanView ARW File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%