Weaknesses of type CWE-121

3,851 results

Estouro de buffer na pilha

Ocorre quando um programa escreve mais dados em um buffer alocado na pilha do que ele pode conter, sobrescrevendo dados adjacentes (variáveis, endereços de retorno, ponteiros). Um atacante pode explorar isso para executar código arbitrário ou causar travamento.

Example

Um programa lê uma string do usuário com gets() ou strcpy() sem validar o tamanho, copiando 500 bytes para um buffer de 64 bytes. O excesso sobrescreve o endereço de retorno da função, permitindo desviar a execução para código malicioso.

How to mitigate

Use funções seguras (strncpy, fgets, snprintf) que aceitam limite de bytes; implemente verificações de limites explícitas no código; ative proteções do compilador/SO (stack canaries, DEP/NX, ASLR); use linguagens com verificação automática de limites ou ferramentas de análise estática.

CVE-2026-75421MEDIUMaria2 <=1.37.0 has a stack-buffer-underflow vulnerability in the IOFile::getLine() function.EPSS 0.2%CVE-2025-11918HIGHRockwell Automation Arena® Simulation Stack-Based Buffer Overflow VulnerabilityEPSS 0.2%CVE-2026-34464HIGHSandboxie-Plus NamedPipeServer OpenHandler stack overflow via unterminated server fieldEPSS 0.2%CVE-2026-44412HIGHA vulnerability has been identified in Solid Edge SE2026 (All versions < V226.0 Update 5). The affected applications contain a stack based oEPSS 0.2%CVE-2026-93433MEDIUMLibstoragemgmt: libstoragemgmt: denial of service via stack buffer overflow in scsi vpd page parsingEPSS 0.2%CVE-2026-28494HIGHImageMagick affected by stack corruption through long morphology kernel names or arraysEPSS 0.2%CVE-2026-34461HIGHSandboxie-Plus SbieIniServer RunSbieCtrl stack buffer overflow allows local privilege escalationEPSS 0.2%CVE-2026-34462HIGHSandboxie-Plus ProcessServer boxname stack buffer overflows via unterminated wide string copyEPSS 0.2%CVE-2026-59086HIGHA vulnerability has been identified in Simcenter Femap (All versions < V2606), Simcenter Nastran (All versions < V2606). The affected applicEPSS 0.2%CVE-2026-34459HIGHSandboxie-Plus sandbox escape via uninitialized memory leak and stack overflow in GetRawInputDeviceInfoSlaveEPSS 0.2%CVE-2026-40528LOWOpenSC < 0.27.0 Buffer Overrun in do_key_value() via profile.cEPSS 0.2%CVE-2026-94953HIGHA stack-based buffer overflow vulnerability exists in the web management interface of TOTOLINK N150RT (NTR150) firmware V3.4.0-B20201030. ItEPSS 0.2%CVE-2026-5713MEDIUMOut-of-bounds read/write during remote profiling and asyncio process introspection when connecting to malicious targetEPSS 0.2%CVE-2026-30929HIGHImageMagick has a stack buffer overflow in MagnifyImageEPSS 0.2%CVE-2026-94954HIGHA stack-based buffer overflow vulnerability exists in the web management interface of TOTOLINK N150RT (NTR150) firmware V3.4.0-B20201030. ItEPSS 0.2%CVE-2020-37221HIGHAtomic Alarm Clock 6.3 Stack Overflow via SEH UnicodeEPSS 0.2%CVE-2019-25331HIGHAVS Audio Converter 9.1 - 'Exit folder' Buffer OverflowEPSS 0.2%CVE-2026-41434LOWOP-TEE has unbounded recursion in sanitize_client_object()EPSS 0.2%CVE-2025-15013MEDIUMfloooh sokol sokol_gfx.h _sg_validate_pipeline_desc stack-based overflowEPSS 0.1%CVE-2026-42050MEDIUMImageMagick: Stack buffer overflow in XTileImageEPSS 0.1%