Fallos del tipo CWE-416

5110 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-2022-3256HIGHUse After Free in vim/vimEPSS 0.5%CVE-2026-23111HIGHnetfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate()EPSS 0.5%CVE-2026-26447HIGHStomper 5e2741e is vulnerable to Use-After-Free. When a single client repeatedly issues SUBSCRIBE commands for the same destination over oneEPSS 0.5%CVE-2025-54912HIGHWindows BitLocker Elevation of Privilege VulnerabilityEPSS 0.5%CVE-2024-23134HIGHMultiple Vulnerabilities in the Autodesk AutoCAD Desktop SoftwareEPSS 0.5%CVE-2024-5831HIGHUse after free in Dawn in Google Chrome prior to 126.0.6478.54 allowed a remote attacker to potentially exploit heap corruption via a crafteEPSS 0.5%CVE-2026-28799HIGHPJSIP: Heap use-after-free in PJSIP presence subscription termination handlerEPSS 0.5%CVE-2026-57585HIGHMessagePack: Out-of-bounds read/crash on Unpacker reuse after caught errorEPSS 0.5%CVE-2026-9111HIGHUse after free in WebRTC in Google Chrome on Linux prior to 148.0.7778.179 allowed a remote attacker to execute arbitrary code via a craftedEPSS 0.5%CVE-2026-9995HIGHUse after free in WebXR in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a EPSS 0.5%CVE-2026-9120HIGHUse after free in WebRTC in Google Chrome prior to 148.0.7778.179 allowed a remote attacker to execute arbitrary code via a crafted HTML pagEPSS 0.5%CVE-2026-7342HIGHUse after free in WebView in Google Chrome on Android prior to 147.0.7727.138 allowed a remote attacker to execute arbitrary code inside a sEPSS 0.5%CVE-2026-9962HIGHUse after free in WebRTC in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via aEPSS 0.5%CVE-2026-7336HIGHUse after free in WebRTC in Google Chrome prior to 147.0.7727.138 allowed a remote attacker to execute arbitrary code inside a sandbox via aEPSS 0.5%CVE-2026-7341HIGHUse after free in WebRTC in Google Chrome prior to 147.0.7727.138 allowed a remote attacker to execute arbitrary code inside a sandbox via aEPSS 0.5%CVE-2022-4382MEDIUMA use-after-free flaw caused by a race among the superblock operations in the gadgetfs Linux driver was found. It could be triggered by yankEPSS 0.5%CVE-2025-48945HIGHpycares has a Use-After-Free VulnerabilityEPSS 0.5%CVE-2026-20859HIGHWindows Kernel-Mode Driver Elevation of Privilege VulnerabilityEPSS 0.5%CVE-2024-5842HIGHUse after free in Browser UI in Google Chrome prior to 126.0.6478.54 allowed a remote attacker who convinced a user to engage in specific UIEPSS 0.5%CVE-2026-4696CRITICALUse-after-free in the Layout: Text and Fonts componentEPSS 0.5%