Weaknesses of type CWE-416

5,110 results

Uso após liberação de memória

Ocorre quando o código tenta acessar um bloco de memória que já foi desalocado (free/delete). O ponteiro continua apontando para aquele endereço, mas o dado ali pode ter sido sobrescrito por outra operação, causando comportamento impredizível, corrupção de dados ou execução de código arbitrário.

Example

Um buffer é alocado, depois liberado com free(). Mais adiante, o código ainda tenta ler ou escrever naquele mesmo ponteiro sem verificar. Se um atacante controlar a alocação subsequente daquele endereço, consegue manipular o conteúdo que será lido.

How to mitigate

Anule o ponteiro imediatamente após liberar (ptr = NULL), implemente análise estática para detectar acessos pós-liberação, use ferramentas como valgrind ou AddressSanitizer nos testes, e considere linguagens com gerenciamento automático de memória para código sensível.

CVE-2026-14024HIGHUse after free in Ozone in Google Chrome on Linux prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specifiEPSS 0.3%CVE-2026-17656CRITICALUse after free in Ozone in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafEPSS 0.3%CVE-2026-17886HIGHUse after free in Enterprise in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially exploit heap corruption via a EPSS 0.3%CVE-2026-15904HIGHUse after free in Ozone in Google Chrome on Linux prior to 150.0.7871.128 allowed a remote attacker who convinced a user to engage in specifEPSS 0.3%CVE-2026-14425CRITICALUse after free in ANGLE in Google Chrome prior to 150.0.7871.46 allowed a remote attacker to potentially perform a sandbox escape via a crafEPSS 0.3%CVE-2026-3922HIGHUse after free in MediaStream in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to potentially exploit heap corruption via aEPSS 0.3%CVE-2026-9886CRITICALUse after free in Base in Google Chrome on Mac prior to 148.0.7778.216 allowed a remote attacker to potentially perform a sandbox escape viaEPSS 0.3%CVE-2026-17708CRITICALUse after free in Audio in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentEPSS 0.3%CVE-2026-13869CRITICALUse after free in Device in Google Chrome on Windows prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer proceEPSS 0.3%CVE-2026-15129HIGHUse after free in Views in Google Chrome prior to 150.0.7871.115 allowed a remote attacker to potentially exploit heap corruption via a crafEPSS 0.3%CVE-2026-14424CRITICALUse after free in Dawn in Google Chrome on Mac prior to 150.0.7871.46 allowed a remote attacker to potentially perform a sandbox escape via EPSS 0.3%CVE-2026-19149CRITICALUse after free in Aura in Google Chrome on Linux prior to 151.0.7922.109 allowed a remote attacker to potentially perform a sandbox escape vEPSS 0.3%CVE-2026-13789CRITICALUse after free in GPU in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the renderer process to potentiaEPSS 0.3%CVE-2026-42007CRITICALAn attacker that has valid credentials can use a Sieve script with the editheader extension to trigger a use-after-free in the mail editing EPSS 0.3%CVE-2026-14102HIGHUse after free in Passwords in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to potentially exploit heap corruption via a cEPSS 0.3%CVE-2026-3936HIGHUse after free in WebView in Google Chrome on Android prior to 146.0.7680.71 allowed a remote attacker to potentially exploit heap corruptioEPSS 0.3%CVE-2026-14025HIGHUse after free in Views in Google Chrome on Mac prior to 150.0.7871.47 allowed a remote attacker who convinced a user to engage in specific EPSS 0.3%CVE-2026-17704CRITICALUse after free in ANGLE in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentEPSS 0.3%CVE-2026-17718CRITICALUse after free in ANGLE in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially perform a sandbox escape via a crafEPSS 0.3%CVE-2026-17884HIGHObject lifecycle issue in WebRTC in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to potentially exploit heap corruption viEPSS 0.3%