Fallos del tipo CWE-416

5043 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-2023-6705HIGHUse after free in WebRTC in Google Chrome prior to 120.0.6099.109 allowed a remote attacker to potentially exploit heap corruption via a craEPSS 0.7%CVE-2026-24266MEDIUMNVIDIA Triton Inference Server for Linux contains a vulnerability where an attacker can cause a use-after-free issue. A successful exploit oEPSS 0.7%CVE-2026-8746MEDIUMOpen5GS NRF nghttp2-server.c discover_handler use after freeEPSS 0.7%CVE-2026-57089HIGHWindows SMB Server Network Transport Driver (srvnet.sys) Remote Code Execution VulnerabilityEPSS 0.7%CVE-2026-58164HIGHApache Traffic Server: Remap configuration lifetime and TOCTOU errors cause use-after-freeEPSS 0.7%CVE-2026-72954HIGHWindows Deployment Services Remote Code Execution VulnerabilityEPSS 0.7%CVE-2026-62813HIGHWindows Active Directory Domain Services Remote Code Execution VulnerabilityEPSS 0.7%CVE-2026-70341HIGHMicrosoft Edge (Chromium-based) Remote Code Execution VulnerabilityEPSS 0.7%CVE-2026-72943HIGHWindows Deployment Services Remote Code Execution VulnerabilityEPSS 0.7%CVE-2026-69539HIGHRemote Desktop Services Remote Code Execution VulnerabilityEPSS 0.7%CVE-2026-69599HIGHRemote Desktop Services Remote Code Execution VulnerabilityEPSS 0.7%CVE-2026-62787HIGHWindows DNS Server Remote Code Execution VulnerabilityEPSS 0.7%CVE-2026-72928HIGHWindows DNS Server Remote Code Execution VulnerabilityEPSS 0.7%CVE-2022-4921HIGHUse after free in Accessibility in Google Chrome prior to 99.0.4844.51 allowed a remote attacker who convinced a user to engage in specific EPSS 0.7%CVE-2023-35943MEDIUMEnvoy vulnerable to CORS filter segfault when origin header is removed EPSS 0.7%CVE-2026-43822CRITICALA use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPEPSS 0.7%CVE-2026-43778CRITICALA use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPEPSS 0.7%CVE-2026-64700CRITICALA use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPEPSS 0.7%CVE-2026-43799CRITICALA use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPEPSS 0.7%CVE-2022-0849HIGHUse After Free in r_reg_get_name_idx in radareorg/radare2EPSS 0.7%