Fallos del tipo CWE-119

3506 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-2025-9938HIGHD-Link DI-8400 yyxz.asp yyxz_dlink_asp stack-based overflowEPSS 1.7%CVE-2024-3832HIGHObject corruption in V8 in Google Chrome prior to 124.0.6367.60 allowed a remote attacker to potentially exploit object corruption via a craEPSS 1.7%CVE-2025-31277HIGHThe issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOEPSS 1.7%KEVCVE-2021-1278HIGHCisco SD-WAN Denial of Service VulnerabilitiesEPSS 1.7%CVE-2017-12359—A Buffer Overflow vulnerability in Cisco WebEx Network Recording Player for Advanced Recording Format (.arf) files could allow an attacker tEPSS 1.7%CVE-2023-28379CRITICALA memory corruption vulnerability exists in the HTTP Server form boundary functionality of Weston Embedded uC-HTTP v3.01.01. A specially craEPSS 1.7%CVE-2023-31247CRITICALA memory corruption vulnerability exists in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01. A specialEPSS 1.7%CVE-2022-3705MEDIUMvim autocmd quickfix.c qf_update_buffer use after freeEPSS 1.7%CVE-2025-4150HIGHNetgear EX6200 sub_54340 buffer overflowEPSS 1.7%CVE-2020-35527—In SQLite 3.31.1, there is an out of bounds access problem through ALTER TABLE for views that have a nested FROM clause.EPSS 1.7%CVE-2024-23617CRITICALSymantec Data Loss Prevention Buffer OverflowEPSS 1.7%CVE-2023-3138—A vulnerability was found in libX11. The security flaw occurs because the functions in src/InitExt.c in libX11 do not check that the values EPSS 1.7%CVE-2026-20700HIGHA memory corruption issue was addressed with improved state management. This issue is fixed in iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, tEPSS 1.7%KEVCVE-2024-22373HIGHAn out-of-bounds write vulnerability exists in the JPEG2000Codec::DecodeByStreamsCommon functionality of Mathieu Malaterre Grassroot DICOM 3EPSS 1.7%CVE-2026-34159CRITICALllama.cpp: Unauthenticated RCE via GRAPH_COMPUTE buffer=0 bypass in llama.cpp RPC backendEPSS 1.6%CVE-2019-12807—Alzip 10.83 and earlier version contains a stack-based buffer overflow vulnerability, caused by improper bounds checking during the parsing EPSS 1.6%CVE-2020-3500MEDIUMCisco StarOS IPv6 Denial of Service VulnerabilityEPSS 1.6%CVE-2025-35003CRITICALApache NuttX RTOS: NuttX Bluetooth Stack HCI and UART DoS/RCE Vulnerabilities.EPSS 1.6%CVE-2021-34783HIGHCisco Adaptive Security Appliance Software and Firepower Threat Defense Software Software-Based SSL/TLS Denial of Service VulnerabilityEPSS 1.6%CVE-2020-11058LOWImproper Restriction of Operations within the Bounds of a Memory Buffer in FreeRDPEPSS 1.6%