Fallos del tipo CWE-787

5177 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-2023-39498HIGHPDF-XChange Editor JPG 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-2023-34266HIGHFatek Automation FvDesigner FPJ File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2023-34264HIGHFatek Automation FvDesigner FPJ File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2023-34269HIGHFatek Automation FvDesigner FPJ File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2023-34271HIGHFatek 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-2023-34267HIGHFatek Automation FvDesigner FPJ File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 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-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-2022-42940HIGHA malicious crafted TGA file when consumed through DesignReview.exe application could lead to memory corruption vulnerability. This vulnerabEPSS 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-2024-11520HIGHIrfanView ARW File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2026-54240HIGHlibde265: Pixel accessor signed integer overflow causes heap OOB read/writeEPSS 0.4%CVE-2024-11555HIGHIrfanView DXF File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2024-11548HIGHIrfanView DWG File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 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-2024-11554HIGHIrfanView DWG File Parsing Out-Of-Bounds Write Remote Code Execution VulnerabilityEPSS 0.4%CVE-2024-11550HIGHIrfanView 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%