void EVP_DecodeInit(EVP_ENCODE_CTX *ctx)
{
    /* Only ctx->num is used during decoding. */
    ctx->num = 0;
    ctx->length = 0;
    ctx->line_num = 0;
    ctx->expect_nl = 0;
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.