Fallos del tipo CWE-416

5131 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-2021-3543—A flaw null pointer dereference in the Nitro Enclaves kernel driver was found in the way that Enclaves VMs forces closures on the enclave fiEPSS 0.3%CVE-2024-22914MEDIUMA heap-use-after-free was found in SWFTools v0.9.2, in the function input at lex.swf5.c:2620. It allows an attacker to cause denial of serviEPSS 0.3%CVE-2026-92021HIGHUse-after-free in the JavaScript Engine: JIT componentEPSS 0.3%CVE-2026-100765HIGHUse-after-free in the JavaScript: WebAssembly componentEPSS 0.3%CVE-2026-49171HIGHWindows Speech Runtime Elevation of Privilege VulnerabilityEPSS 0.3%CVE-2022-49291HIGHALSA: pcm: Fix races among concurrent hw_params and hw_free callsEPSS 0.3%CVE-2024-9715HIGHTrimble SketchUp Viewer SKP File Parsing Use-After-Free Remote Code Execution VulnerabilityEPSS 0.3%CVE-2024-9719HIGHTrimble SketchUp Viewer SKP File Parsing Use-After-Free Remote Code Execution VulnerabilityEPSS 0.3%CVE-2025-64183MEDIUMOpenEXR has use after free in PyObject_StealAttrStringEPSS 0.3%CVE-2024-45107MEDIUMZDI-CAN-24186: Adobe Acrobat Reader DC Doc Object Use-After-Free Information Disclosure VulnerabilityEPSS 0.3%CVE-2024-9732HIGHTungsten Automation Power PDF XPS File Parsing Use-After-Free Remote Code Execution VulnerabilityEPSS 0.3%CVE-2025-22035HIGHtracing: Fix use-after-free in print_graph_function_flags during tracer switchingEPSS 0.3%CVE-2024-9716HIGHTrimble SketchUp Viewer SKP File Parsing Use-After-Free Remote Code Execution VulnerabilityEPSS 0.3%CVE-2025-2013HIGHAshlar-Vellum Cobalt CO File Parsing Use-After-Free Remote Code Execution VulnerabilityEPSS 0.3%CVE-2026-23667HIGHBroadcast DVR Elevation of Privilege VulnerabilityEPSS 0.3%CVE-2022-3176HIGHUse-after-free in io_uring in Linux KernelEPSS 0.3%CVE-2026-12437HIGHUse after free in WebShare in Google Chrome on Windows prior to 149.0.7827.155 allowed a remote attacker who had compromised the renderer prEPSS 0.3%CVE-2026-10637MEDIUMUse-after-free of `net_pkt` in IPv6 MLD send path triggerable by a link-local MLD QueryEPSS 0.3%CVE-2023-52975HIGHscsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddressEPSS 0.3%CVE-2025-54225HIGHInDesign Desktop | Use After Free (CWE-416)EPSS 0.3%