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-2024-11237HIGHTP-Link VN020 F3v(T) DHCP DISCOVER Packet Parser TP-Thumper stack-based overflowEPSS 5.3%CVE-2025-12235HIGHTenda CH22 SetIpBind fromSetIpBind buffer overflowEPSS 5.2%CVE-2019-17135HIGHThis vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PhantomPDF 9.5.0.20723. User interacEPSS 5.2%CVE-2020-15782CRITICALA vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP EPSS 5.2%CVE-2022-3435MEDIUMLinux Kernel IPv4 fib_semantics.c fib_nh_match out-of-boundsEPSS 5.2%CVE-2022-3559MEDIUMExim Regex use after freeEPSS 5.0%CVE-2025-9363HIGHLinksys RE6250/RE6300/RE6350/RE6500/RE7000/RE9000 portTriggerManageRule stack-based overflowEPSS 5.0%CVE-2024-12343HIGHTP-Link VN020 F3v(T) SOAP Request WANIPConnection buffer overflowEPSS 5.0%CVE-2025-6151HIGHTP-Link TL-WR940N, TL-WR841N WanSlaacCfgRpm.htm buffer overflowEPSS 5.0%CVE-2025-12232HIGHTenda CH22 SafeClientFilter fromSafeClientFilter buffer overflowEPSS 4.9%CVE-2019-1651CRITICALCisco SD-WAN Solution Buffer Overflow VulnerabilityEPSS 4.9%CVE-2017-9048HIGHlibxml2 20904-GITv2.9.4-16-g0741801 is vulnerable to a stack-based buffer overflow. The function xmlSnprintfElementContent in valid.c is supEPSS 4.8%CVE-2026-2017CRITICALIP-COM W30AP POST Request wx3auth R7WebsSecurityHandler stack-based overflowEPSS 4.8%CVE-2020-3470CRITICALCisco Integrated Management Controller Multiple Remote Code Execution VulnerabilitiesEPSS 4.8%CVE-2020-3258CRITICALCisco IOS Software for Cisco Industrial Routers Arbitrary Code Execution VulnerabilitiesEPSS 4.8%CVE-2016-9535CRITICALtif_predict.h and tif_predict.c in libtiff 4.0.6 have assertions that can lead to assertion failures in debug mode, or buffer overflows in rEPSS 4.7%CVE-2025-12233HIGHTenda CH22 SafeUrlFilter fromSafeUrlFilter buffer overflowEPSS 4.7%CVE-2014-1692HIGHThe hash_buffer function in schnorr.c in OpenSSH through 6.4, when Makefile.inc is modified to enable the J-PAKE protocol, does not initialiEPSS 4.7%CVE-2025-15255CRITICALTenda W6-S R7websSsecurityHandler httpd stack-based overflowEPSS 4.7%CVE-2026-7856HIGHD-Link DI-8100 Web Management url_member.asp buffer overflowEPSS 4.6%