Falhas do tipo CWE-119

3.265 resultados

Corrupção de Memória Genérica

É uma categoria abrangente que descreve qualquer acesso indevido à memória — escrever fora dos limites de um buffer, ler dados não inicializados, ou manipular ponteiros inválidos. O risco é grave: permite execução de código arbitrário, travamento da aplicação ou exposição de dados sensíveis.

Exemplo

Um programa em C copia dados do usuário para um array sem validar o tamanho (strcpy em vez de strncpy). Um atacante envia uma string maior que o buffer, sobrescrevendo dados adjacentes ou até o endereço de retorno da função, permitindo injetar código malicioso.

Como mitigar

Use funções seguras (strncpy, snprintf, memmove com limites explícitos), valide e sanitize toda entrada antes de copiar, ative canários de pilha e ASLR no SO, e aplique sanitizadores (ASAN, UBSAN) durante desenvolvimento e testes. Em linguagens seguras (Rust, Python) o problema é praticamente eliminado.

CVE-2021-1526HIGHCisco Webex Player Memory Corruption VulnerabilityEPSS 1.0%CVE-2021-1511HIGHCisco SD-WAN vEdge Software Buffer Overflow VulnerabilitiesEPSS 1.0%CVE-2025-43212MEDIUMThe 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 1.0%CVE-2020-5383MEDIUMDell EMC Isilon OneFS version 8.2.2 and Dell EMC PowerScale OneFS version 9.0.0 contains a buffer overflow vulnerability in the Likewise comEPSS 1.0%CVE-2025-6393HIGHTOTOLINK A702R/A3002R/A3002RU/EX1200T HTTP POST Request formIPv6Addr buffer overflowEPSS 1.0%CVE-2026-75784CRITICALTRENDnet TEW-WLC100 HTTP Header nginx FUN_0040da4c stack-based overflowEPSS 1.0%CVE-2024-27820HIGHThe issue was addressed with improved memory handling. This issue is fixed in Safari 17.5, iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOSEPSS 1.0%CVE-2006-7221HIGHMultiple off-by-one errors in fsplib.c in fsplib before 0.8 allow attackers to cause a denial of service via unspecified vectors involving tEPSS 1.0%CVE-2023-4233HIGHOfono: sms decoder stack-based buffer overflow remote code execution vulnerability within the sms_decode_address_field() functionEPSS 1.0%CVE-2022-26129HIGHBuffer overflow vulnerabilities exist in FRRouting through 8.1.0 due to wrong checks on the subtlv length in the functions, parse_hello_subtEPSS 1.0%CVE-2022-26127—A buffer overflow vulnerability exists in FRRouting through 8.1.0 due to missing a check on the input packet length in the babel_packet_examEPSS 1.0%CVE-2025-14964CRITICALTOTOLINK T10 cstecgi.cgi sprintf stack-based overflowEPSS 1.0%CVE-2025-5978HIGHTenda FH1202 VirtualSer fromVirtualSer stack-based overflowEPSS 1.0%CVE-2025-5934HIGHNetgear EX3700 mtd sub_41619C stack-based overflowEPSS 1.0%CVE-2025-6150HIGHTOTOLINK X15 HTTP POST Request formMultiAP buffer overflowEPSS 1.0%CVE-2025-6148HIGHTOTOLINK A3002RU HTTP POST Request formSysLog buffer overflowEPSS 1.0%CVE-2025-12595HIGHTenda AC23 SetVirtualServerCfg formSetVirtualSer buffer overflowEPSS 1.0%CVE-2025-6149HIGHTOTOLINK A3002R HTTP POST Request formSysLog buffer overflowEPSS 1.0%CVE-2025-1814HIGHTenda AC6 WifiExtraSet stack-based overflowEPSS 1.0%CVE-2023-23567HIGHA heap-based buffer overflow vulnerability exists in the CreateDIBfromPict functionality of Accusoft ImageGear 20.1. A specially crafted filEPSS 1.0%