Falhas do tipo CWE-190

1.660 resultados

Estouro ou Envolvimento de Inteiro

Ocorre quando uma operação aritmética produz um valor que excede o limite máximo (ou mínimo) que o tipo de dado inteiro pode armazenar, causando o valor envolver-se para o lado oposto ou comportamento inesperado. Isso permite que atacantes contornem validações, aloquem memória inadequada, ou causem travamentos ao explorar essa descontinuidade.

Exemplo

Um servidor de upload limita arquivos a 2 GB verificando se size < 2147483648 (INT_MAX). Um atacante envia size=2147483648, que em inteiro de 32 bits assinado vira -2147483648. A validação passa, mas durante a alocação de buffer o sistema trata como valor negativo ou inesperado, causando falha ou bypass de proteção.

Como mitigar

Use tipos inteiros sem sinal (unsigned) ou de maior capacidade (64 bits) quando apropriado; valide entradas contra limites explícitos *antes* de operações aritméticas; utilize funções de verificação de overflow fornecidas pela linguagem ou biblioteca (ex: __builtin_add_overflow em C, SafeInt em .NET); evite conversões implícitas entre tipos.

CVE-2026-69631HIGHWindows DNS Denial of Service VulnerabilityEPSS 1.2%CVE-2020-27766—A flaw was found in ImageMagick in MagickCore/statistic.c. An attacker who submits a crafted file that is processed by ImageMagick could triEPSS 1.2%CVE-2023-21797HIGHMicrosoft ODBC Driver Remote Code Execution VulnerabilityEPSS 1.2%CVE-2022-36008HIGHMessage length overflow in frontierEPSS 1.2%CVE-2020-25676—In CatromWeights(), MeshInterpolate(), InterpolatePixelChannel(), InterpolatePixelChannels(), and InterpolatePixelInfo(), which are all funcEPSS 1.2%CVE-2024-22862CRITICALInteger overflow vulnerability in FFmpeg before n6.1, allows remote attackers to execute arbitrary code via the JJPEG XL Parser.EPSS 1.2%CVE-2022-23559HIGHInteger overflow in TFLiteEPSS 1.2%CVE-2023-45742HIGHAn integer overflow vulnerability exists in the boa updateConfigIntoFlash functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially cEPSS 1.2%CVE-2020-25666—There are 4 places in HistogramCompare() in MagickCore/histogram.c where an integer overflow is possible during simple math calculations. ThEPSS 1.2%CVE-2020-27771—In RestoreMSCWarning() of /coders/pdf.c there are several areas where calls to GetPixelIndex() could result in values outside the range of rEPSS 1.2%CVE-2022-0546—A missing bounds check in the image loader used in Blender 3.x and 2.93.8 leads to out-of-bounds heap access, allowing an attacker to cause EPSS 1.2%CVE-2017-9282—An integer overflow (CWE-190) led to an out-of-bounds write (CWE-787) on a heap-allocated area, leading to heap corruption in Micro Focus ViEPSS 1.2%CVE-2022-0545—An integer overflow in the processing of loaded 2D images leads to a write-what-where vulnerability and an out-of-bounds read vulnerability,EPSS 1.2%CVE-2026-41602HIGHApache Thrift: Go TFramedTransport uint32 overflowEPSS 1.2%CVE-2023-28613MEDIUMAn issue was discovered in Samsung Exynos Mobile Processor and Baseband Modem Processor for Exynos 1280, Exynos 2200, and Exynos Modem 5300.EPSS 1.2%CVE-2020-27764—In /MagickCore/statistic.c, there are several areas in ApplyEvaluateOperator() where a size_t cast should have been a ssize_t cast, which caEPSS 1.2%CVE-2023-21686HIGHMicrosoft WDAC OLE DB provider for SQL Server Remote Code Execution VulnerabilityEPSS 1.1%CVE-2021-27431HIGHARM CMSIS RTOS2 Integer Overflow or WraparoundEPSS 1.1%CVE-2020-27770—Due to a missing check for 0 value of `replace_extent`, it is possible for offset `p` to overflow in SubstituteString(), causing potential iEPSS 1.1%CVE-2020-27759—In IntensityCompare() of /MagickCore/quantize.c, a double value was being casted to int and returned, which in some cases caused a value outEPSS 1.1%