Fallos del tipo CWE-119

3282 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-2025-6818MEDIUMHDF5 H5Ochunk.c H5O__chunk_protect heap-based overflowEPSS 0.3%CVE-2023-45168HIGHIBM AIX command executionEPSS 0.3%CVE-2025-8846MEDIUMNASM Netwide Assember parser.c parse_line stack-based overflowEPSS 0.3%CVE-2026-0139HIGHIn Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additionalEPSS 0.3%CVE-2025-8845MEDIUMNASM Netwide Assember nasm.c assemble_file stack-based overflowEPSS 0.3%CVE-2025-5244MEDIUMGNU Binutils ld elflink.c elf_gc_sweep memory corruptionEPSS 0.3%CVE-2026-10114MEDIUMOpen5GS Shared NF-profile nnrf-handler.c handle_scp_info out-of-bounds writeEPSS 0.3%CVE-2021-0188HIGHReturn of pointer value outside of expected range in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentialEPSS 0.3%CVE-2026-2016MEDIUMhappyfish100 libfastcommon base64.c base64_decode stack-based overflowEPSS 0.3%CVE-2021-0189HIGHUse of out-of-range pointer offset in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescaEPSS 0.3%CVE-2025-14607MEDIUMOFFIS DCMTK dcmdata dcbytstr.cc makeDicomByteString memory corruptionEPSS 0.3%CVE-2025-3121MEDIUMPyTorch torch.jit.jit_module_from_flatbuffer memory corruptionEPSS 0.3%CVE-2022-32940HIGHThe issue was addressed with improved bounds checks. This issue is fixed in tvOS 16.1, iOS 16.1 and iPadOS 16, macOS Ventura 13, watchOS 9.1EPSS 0.3%CVE-2025-2923MEDIUMHDF5 H5Fint.c H5F_addr_encode_len heap-based overflowEPSS 0.3%CVE-2025-2912MEDIUMHDF5 H5Omessage.c H5O_msg_flush heap-based overflowEPSS 0.3%CVE-2020-5388MEDIUMDell Inspiron 15 7579 2-in-1 BIOS versions prior to 1.31.0 contain an Improper SMM communication buffer verification vulnerability. A local EPSS 0.3%CVE-2022-20560HIGHProduct: AndroidVersions: Android kernelAndroid ID: A-212623833References: N/AEPSS 0.3%CVE-2025-2914MEDIUMHDF5 H5FScache.c H5FS__sinfo_Srialize_Sct_cb heap-based overflowEPSS 0.3%CVE-2022-32939HIGHThe issue was addressed with improved bounds checks. This issue is fixed in iOS 15.7.1 and iPadOS 15.7.1, iOS 16.1 and iPadOS 16. An app mayEPSS 0.3%CVE-2025-9390MEDIUMvim xxd xxd.c main buffer overflowEPSS 0.3%