Fallos del tipo CWE-416

5129 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-2024-27934HIGH*const c_void / ExternalPointer unsoundness leading to use-after-freeEPSS 0.4%CVE-2025-47986HIGHUniversal Print Management Service Elevation of Privilege VulnerabilityEPSS 0.4%CVE-2025-0444MEDIUMUse after free in Skia in Google Chrome prior to 133.0.6943.53 allowed a remote attacker to potentially exploit heap corruption via a crafteEPSS 0.4%CVE-2026-10956HIGHUse after free in MimeHandlerView in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbEPSS 0.4%CVE-2026-10954HIGHUse after free in Actor in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandbox via a cEPSS 0.4%CVE-2026-10913HIGHUse after free in ANGLE in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandEPSS 0.4%CVE-2026-10914HIGHUse after free in ANGLE in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code inside a sandEPSS 0.4%CVE-2020-5376MEDIUMDell Inspiron 7347 BIOS versions prior to A13 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to sysEPSS 0.4%CVE-2020-5378MEDIUMDell G7 17 7790 BIOS versions prior to 1.13.2 contain a UEFI BIOS Boot Services overwrite vulnerability. A local attacker with access to sysEPSS 0.4%CVE-2026-10895HIGHUse after free in Ozone in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code via a crafted HTML page.EPSS 0.4%CVE-2026-10902HIGHUse after free in Ozone in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to execute arbitrary code via a crafted HTML page.EPSS 0.4%CVE-2026-43663MEDIUMThe issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and EPSS 0.4%CVE-2025-22408CRITICALIn rfc_check_send_cmd of rfc_utils.cc, there is a possible way to execute arbitrary code due to a use after free. This could lead to remote EPSS 0.4%CVE-2026-43704MEDIUMA use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, maEPSS 0.4%CVE-2026-22166HIGHGPU DDK - Write UAF in KEGLGetPoolBuffers, WebGL reachableEPSS 0.4%CVE-2025-22403CRITICALIn sdp_snd_service_search_req of sdp_discovery.cc, there is a possible way to execute arbitrary code due to a use after free. This could leaEPSS 0.4%CVE-2023-47055HIGHZDI-CAN-21765: Adobe Premiere Pro M4A File Parsing Use-After-Free Remote Code Execution VulnerabilityEPSS 0.4%CVE-2026-39872MEDIUMThe issue was addressed with improved memory handling. This issue is fixed in Safari 26.5.2, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5.2 and EPSS 0.4%CVE-2025-0445MEDIUMUse after free in V8 in Google Chrome prior to 133.0.6943.53 allowed a remote attacker to potentially exploit heap corruption via a crafted EPSS 0.4%CVE-2022-3591HIGHUse After Free in vim/vimEPSS 0.4%