Fallos del tipo CWE-416

5038 resultados

Uso após liberação de memória

Ocorre quando o código tenta acessar uma área de memória que já foi liberada (deallocated). O programa continua usando um ponteiro que aponta para um endereço inválido, causando leitura/escrita em memória não controlada. Isso pode levar a crash, corrupção de dados ou execução arbitrária de código.

Ejemplo

Um navegador aloca memória para um objeto DOM, depois o remove da página e libera a memória. Se um script JavaScript ainda tentar acessar esse objeto deletado, o navegador tenta ler/escrever em um endereço que agora contém outro dado, causando comportamento impredizível ou exploração por atacante.

Cómo mitigar

Use linguagens com garbage collection (Java, Python, C#) ou práticas rigorosas: null os ponteiros após free(), use smart pointers (C++), evite compartilhamento de referências sem sincronização, faça testes de memória com ferramentas como Valgrind ou AddressSanitizer.

CVE-2026-65775HIGHWindows Win32k Elevation of Privilege VulnerabilityEPSS 2.6%CVE-2017-16586—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.2.25013. User interactiEPSS 2.6%CVE-2017-10945—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.0.14878. User interactiEPSS 2.6%CVE-2017-14832—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interactiEPSS 2.6%CVE-2017-16576—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interactiEPSS 2.6%CVE-2017-10941—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.0.14878. User interactiEPSS 2.6%CVE-2017-16581—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.2.25013. User interactiEPSS 2.6%CVE-2017-10947—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.2.1.6871. User interactioEPSS 2.6%CVE-2017-16587—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.2.25013. User interactiEPSS 2.6%CVE-2017-14834—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interactiEPSS 2.6%CVE-2017-14833—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interactiEPSS 2.6%CVE-2017-16575—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interactiEPSS 2.6%CVE-2017-10957—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interactiEPSS 2.6%CVE-2017-14836—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1. User interaction is EPSS 2.6%CVE-2017-16577—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interactiEPSS 2.6%CVE-2017-14831—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interactiEPSS 2.6%CVE-2017-16585—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.2.25013. User interactiEPSS 2.6%CVE-2017-10946—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.2.1.6871. User interactioEPSS 2.6%CVE-2017-16583—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.2.25013. User interactiEPSS 2.6%CVE-2017-10958—This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 8.3.1.21155. User interactiEPSS 2.6%