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Weakness (CWE)

CWE-680: Integer Overflow to Buffer Overflow

Compound Draft Mapping discouraged

The product performs a calculation to determine how much memory to allocate, but an integer overflow can occur that causes less memory to be allocated than expected, leading to a buffer overflow.

Source: MITRE CWE-680

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  • Medium 5.5
    CVE-2026-25541 Public exploit

    Bytes is vulnerable to integer overflow in BytesMut::reserve

    Bytes is a utility library for working with bytes. From version 1.2.1 to before 1.11.1, Bytes is vulnerable to integer overflow in BytesMut::reserve. In the unique reclaim path of BytesMut::reserve, if the condition "v_capacity >= new_cap + offset" uses an un…

    tokio-rs bytes rust-bytes bytes Debian Ubuntu crates.io