Fallos del tipo CWE-472

154 resultados

Estouro de inteiro

Ocorre quando uma operação aritmética com inteiros produz um resultado que ultrapassa o limite máximo (ou mínimo) que o tipo de dado consegue armazenar, causando wrap-around ou truncamento silencioso. Isso permite manipular lógica de validação, contadores e cálculos de tamanho de buffer, abrindo portas para corrupção de memória ou execução arbitrária.

Ejemplo

Um validador de upload verifica se `tamanho_arquivo < INT_MAX` para aceitar o arquivo. Um atacante envia um arquivo com tamanho calculado para, ao ser multiplicado por 2 em um cálculo interno, fazer o inteiro estourar e retornar um valor pequeno, burlando a restrição e causando buffer overflow.

Cómo mitigar

Use tipos com intervalo maior (como uint64_t para cálculos críticos), implemente verificações pré-operação para detectar risco de estouro antes de executar a aritmética, ou utilize bibliotecas seguras que tratam overflows. Em linguagens de alto nível, prefira tipos que crescem automaticamente (BigInteger) ou use saturação em vez de wrap-around.

CVE-2026-13281HIGHInteger overflow in Mojo in Google Chrome prior to 149.0.7827.201 allowed a remote attacker who had compromised the renderer process to poteEPSS 0.3%CVE-2026-16620HIGHWPC Name Your Price for WooCommerce < 2.2.5 - Unauthenticated Price Manipulation via Select ModeEPSS 0.3%CVE-2026-9909HIGHInteger overflow in Skia in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to execEPSS 0.3%CVE-2026-77999HIGHJoomla Extension - j2commerce.com - Unauthenticated PayPal callback forgery leading to order confirmation fraud in J2Store 1.0.0-3.3.21, 4.0.0-4.0.21, 4.1.0-4.1.6EPSS 0.3%CVE-2026-4452HIGHInteger overflow in ANGLE in Google Chrome on Windows prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruptiEPSS 0.3%CVE-2026-4464HIGHInteger overflow in ANGLE in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crEPSS 0.3%CVE-2026-82189HIGHJoomla Extension - j2commerce.com - Any order can be marked Failed by anyone in J2Store 1.0.0-3.3.2, 4.0.0-4.0.22, 4.1.0-4.1.7EPSS 0.3%CVE-2026-10015HIGHInteger overflow in WTF in Google Chrome prior to 148.0.7778.216 allowed a remote attacker to execute arbitrary code inside a sandbox via a EPSS 0.3%CVE-2026-8577HIGHInteger overflow in Fonts in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code inside a sandbox via EPSS 0.3%CVE-2026-42655HIGHWordPress Best Payments Plugin for WP plugin <= 4.6.19 - Payment Bypass vulnerabilityEPSS 0.2%CVE-2026-11085HIGHInteger overflow in GPU in Google Chrome on Android prior to 149.0.7827.53 allowed a remote attacker to potentially perform out of bounds meEPSS 0.2%CVE-2026-11655HIGHInteger overflow in Media in Google Chrome on Mac prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer processEPSS 0.2%CVE-2026-94374HIGHMISP: IDOR via Client-Supplied Report ID in Module Results Processing Allows Reparenting and Overwriting of Other Events' ReportsEPSS 0.2%CVE-2025-54551MEDIUMSynapse Mobility 8.0, 8.0.1, 8.0.2, 8.1, and 8.1.1 contain a privilege escalation vulnerability through external control of Web parameter. IEPSS 0.2%CVE-2026-15149MEDIUMWP Hotel Booking < 2.3.3 - Unauthenticated Payment Bypass via Price ManipulationEPSS 0.2%CVE-2026-16067MEDIUMEvent Booking Manager for WooCommerce (Pro) < 5.0.3 - Unauthenticated Payment Bypass via Client-Controlled Ticket PriceEPSS 0.2%CVE-2026-9960HIGHInteger overflow in PDFium in Google Chrome prior to 148.0.7778.216 allowed a remote attacker who had compromised the renderer process to exEPSS 0.2%CVE-2026-8519HIGHInteger overflow in ANGLE in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to perform an out of bounds memory wEPSS 0.2%CVE-2026-8573HIGHInteger overflow in Codecs in Google Chrome on Windows prior to 148.0.7778.168 allowed a remote attacker to potentially perform a sandbox esEPSS 0.2%CVE-2026-11640HIGHInteger overflow in libyuv in Google Chrome prior to 149.0.7827.103 allowed a remote attacker who had compromised the renderer process to poEPSS 0.2%