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Weakness (CWE)

CWE-197: Numeric Truncation Error

Base Incomplete

Truncation errors occur when a primitive is cast to a primitive of a smaller size and data is lost in the conversion.

How to prevent it (1 mitigation)

  1. Implementation

    Ensure that no casts, implicit or explicit, take place that move from a larger size primitive or a smaller size primitive.

Source: MITRE CWE-197

All Critical High Medium Low Exploited only Public exploit

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  • Critical 9.9
    CVE-2026-115889 Public exploit

    Wasmtime: Bit-packing in Cranelift compiler causes silent overflow and miscompilation

    Wasmtime is a runtime for WebAssembly. Prior to 36.0.19 and 43.0.0, the Cranelift compiler backend bit-packs SSA value indices in a way that can silently overflow in release builds when compiling a sufficiently large or specially crafted Wasm function with ma…

    bytecodealliance wasmtime wasmtime rust-wasmtime Debian Ubuntu crates.io
  • Critical 9.3
    CVE-2022-42475 Exploited · Ransomware Public exploit EPSS 99%

    A heap-based buffer overflow vulnerability [CWE-122] in FortiOS SSL-VPN 7.2.0 through 7.2.2, 7.0.0 through 7.0.8, 6.4.0…

    Fortinet FortiOS FortiProxy Network devices
    KEV Dec 13, 2022