Fallos del tipo CWE-119

3266 resultados

Corrupção de memória genérica

Fraqueza genérica que descreve quando software escreve dados fora dos limites esperados de um buffer ou estrutura de memória, sobrescrevendo dados adjacentes. Permite ao atacante corromper dados críticos, executar código arbitrário ou derrubar a aplicação.

Ejemplo

Um programa C que copia uma string do usuário para um array fixo sem validar comprimento: strcpy(buffer, user_input) em um buffer de 64 bytes, quando o input tem 200 caracteres. Os dados transbordados sobrescrevem variáveis, ponteiros ou endereços de retorno na pilha.

Cómo mitigar

Use funções seguras de cópia (strncpy, strlcpy, memcpy com tamanho validado), implemente validação de entrada e comprimento antes de qualquer operação de escrita em buffer, e ative proteções de compilador como stack canaries e ASLR. Em linguagens modernas (Rust, Go), o gerenciamento automático de memória elimina essa classe de bugs.

CVE-2025-11526HIGHTenda AC7 WifiMacFilterSet stack-based overflowEPSS 0.8%CVE-2025-11385HIGHTenda AC20 fast_setting_wifi_set sscanf buffer overflowEPSS 0.8%CVE-2025-11123HIGHTenda AC18 saveAutoQos stack-based overflowEPSS 0.8%CVE-2025-11122HIGHTenda AC18 WizardHandle stack-based overflowEPSS 0.8%CVE-2022-38696CRITICALIn BootRom, there's a possible missing payload size check. This could lead to memory buffer overflow without requiring additional execution EPSS 0.8%CVE-2022-38693CRITICALIn FDL1, there is a possible missing payload size check. This could lead to memory buffer overflow without requiring additional execution prEPSS 0.8%CVE-2025-11389HIGHTenda AC15 saveAutoQos stack-based overflowEPSS 0.8%CVE-2025-11325HIGHTenda AC18 fast_setting_pppoe_set stack-based overflowEPSS 0.8%CVE-2025-11528HIGHTenda AC7 saveAutoQos stack-based overflowEPSS 0.8%CVE-2025-11387HIGHTenda AC15 fast_setting_pppoe_set stack-based overflowEPSS 0.8%CVE-2025-11388HIGHTenda AC15 setNotUpgrade stack-based overflowEPSS 0.8%CVE-2025-11117HIGHTenda CH22 GstDhcpSetSer formWrlExtraGet buffer overflowEPSS 0.8%CVE-2025-11356HIGHTenda AC23 SetStaticRouteCfg sscanf buffer overflowEPSS 0.8%CVE-2025-11527HIGHTenda AC7 fast_setting_pppoe_set stack-based overflowEPSS 0.8%CVE-2025-10803HIGHTenda AC23 HTTP POST Request SetPptpServerCfg sscanf buffer overflowEPSS 0.8%CVE-2025-12619HIGHTenda A15 openNetworkGateway fromSetWirelessRepeat buffer overflowEPSS 0.8%CVE-2025-43431HIGHThe issue was addressed with improved memory handling. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOSEPSS 0.8%CVE-2021-44440—A vulnerability has been identified in JT Utilities (All versions < V13.1.1.0), JTTK (All versions < V11.1.1.0). JTTK library in affected prEPSS 0.8%CVE-2021-22711—A CWE-119:Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Interactive Graphical SCADA SystemEPSS 0.8%CVE-2025-8178HIGHTenda AC10 RequestsProcessLaid heap-based overflowEPSS 0.8%